US5697193A — Utility distribution system for open office plans…

Claim 1

Independent Claim 347 words

A utility floor construction, comprising: a plurality of irregularly shaped floor pans adapted for abutting support directly on a floor surface in a mutually adjacent pattern wherein the coverage of the floor surface is noncontinuous; each of said floor pans having a generally U-shaped vertical cross-sectional configuration defined by a base and upstanding sidewalls; each floor pan base including a central portion and at least one leg portion which extends outwardly of said central portion to collectively define at least a portion of a first raceway in which first utilities can be routed and an exterior of said floor pan defining at least a portion of a second raceway in which second utilities can be routed; a plurality of rigid cover plates supported on said floor pans in a mutually adjacent arrangement to define at least a portion of a continuous floor surface thereover; a plurality of separator bridges, each having a generally U-shaped transverse vertical cross-sectional configuration defined by a central plate and upstanding sidewalls which define at least a portion of said second raceway; each of said floor pan central portions having at least one of said cover plates positioned over the associated central portion to enclosed the same; each of said floor pan leg portions having one of said separator bridges positioned on top of the associated leg portion and extending laterally thereacross, with the sidewalls of said one separator bridge being disposed above, and oriented substantially perpendicular to the sidewalls of said associated floor pan leg portion, whereby when said floor pans and separator bridges are positioned adjacent one another on the floor surface the leg portions of adjacent floor pans abut end-to-end so that said first raceway is shielded from the floor surface and extends continuously through said floor construction, said adjacent floor pans define an open floor space therebetween which defines at least a portion of said second raceway and said separator bridges physically separate said second raceway from said first raceway to positively prevent the second utilities from coming into contact with the first utilities and thereby minimize interference therebetween.

Claim 2

Dependent Claim 347 words

A utility floor construction, comprising: a plurality of irregularly shaped floor pans adapted for abutting support directly on a floor surface in a mutually adjacent pattern wherein the coverage of the floor surface is noncontinuous; each of said floor pans having a generally U-shaped vertical cross-sectional configuration defined by a base and upstanding sidewalls; each floor pan base including a central portion and at least one leg portion which extends outwardly of said central portion to collectively define at least a portion of a first raceway in which first utilities can be routed and an exterior of said floor pan defining at least a portion of a second raceway in which second utilities can be routed; a plurality of rigid cover plates supported on said floor pans in a mutually adjacent arrangement to define at least a portion of a continuous floor surface thereover; a plurality of separator bridges, each having a generally U-shaped transverse vertical cross-sectional configuration defined by a central plate and upstanding sidewalls which define at least a portion of said second raceway; each of said floor pan central portions having at least one of said cover plates positioned over the associated central portion to enclosed the same; each of said floor pan leg portions having one of said separator bridges positioned on top of the associated leg portion and extending laterally thereacross, with the sidewalls of said one separator bridge being disposed above, and oriented substantially perpendicular to the sidewalls of said associated floor pan leg portion, whereby when said floor pans and separator bridges are positioned adjacent one another on the floor surface the leg portions of adjacent floor pans abut end-to-end so that said first raceway is shielded from the floor surface and extends continuously through said floor construction, said adjacent floor pans define an open floor space therebetween which defines at least a portion of said second raceway and said separator bridges physically separate said second raceway from said first raceway to positively prevent the second utilities from coming into contact with the first utilities and thereby minimize interference therebetween.

Claim 3

Dependent Claim 33 words

A utility floor construction as set forth in claim 1, wherein: said separator bridges are connected to said associated leg portions of said floor pans to automatically isolate said first and second raceways.

Claim 4

Dependent Claim 48 words

A utility floor construction as set forth in claim 2, wherein: said floor pan sidewalls associated with said central portions have upper edges; and said cover plates have lower surfaces which generally abut the upper edges of said sidewalls associated with the central portions of said floor pans.

Claim 5

Dependent Claim 34 words

A utility floor construction as set forth in claim 3, wherein: said sidewalls of said separator bridges abut the lower surfaces of said cover plates to isolate said second raceway from said first raceway.

Claim 6

Dependent Claim 37 words

A utility floor construction as set forth in claim 4, wherein: each said separator bridge has a width measured between said bridge sidewalls that is substantially commensurate with the length of an associated floor pan leg portion.

Claim 7

Dependent Claim 36 words

A utility floor construction as set forth in claim 5, wherein: said cover plates extend over each of said floor pans and each of said separator bridges to enclose both of said first and second raceways.

Claim 8

Dependent Claim 48 words

A utility floor construction as set forth in claim 6, wherein: each of said separator bridges spans between the leg portions of two adjacent ones of said floor pans arranged end-to-end, and is connected with said leg portions to physically interconnect said adjacent ones of said floor pans.

Claim 9

Dependent Claim 55 words

A utility floor construction as set forth in claim 7, wherein: adjacent ones of said floor pans define an open floor space therebetween, which defines at least a portion of said second raceway; and said sidewalls of said connector bridge associated with said adjacent ones of said floor pans open to said open floor space.

Claim 10

Dependent Claim 36 words

A utility floor construction as set forth in claim 8, wherein: each of said separator bridges has a pair of depending sidewalls which extend downwardly from said central portion and are positioned opposite said upstanding sidewalls.

Claim 11

Dependent Claim 30 words

A utility floor construction as set forth in claim 9, including: threaded fasteners detachably connecting the depending sidewalls of said separator bridges to the leg portions of said floor pans.

Claim 12

Dependent Claim 25 words

A utility floor construction as set forth in claim 10, wherein: said floor pans include X-shaped floor pans, T-shaped floor pans, and L-shaped floor pans.

Claim 13

Dependent Claim 36 words

A utility floor construction as set forth in claim 11, wherein: each of said X-shaped floor pans includes four raised pedestals positioned adjacent opposite corners thereof to support an associated one of said cover plates thereon.

Claim 14

Dependent Claim 41 words

A utility floor construction as set forth in claim 12, wherein: each of said T-shaped floor pans includes two raised pedestals positioned adjacent opposite corners thereof to support at least a portion of an associated one of said cover plates thereon.

Claim 15

Dependent Claim 44 words

A utility floor construction as set forth in claim 13, wherein: each of said L-shaped floor pans includes at least one raised pedestal positioned adjacent an interior corner thereof to support at least a portion of an associated one of said cover plates thereon.

Claim 16

Dependent Claim 48 words

A utility floor construction as set forth in claim 1, wherein: said floor pan sidewalls associated with said central portions have upper edges; and said cover plates have lower surfaces which generally abut the upper edges of said sidewalls associated with the central portions of said floor pans.

Claim 17

Dependent Claim 34 words

A utility floor construction as set forth in claim 15, wherein: said sidewalls of said separator bridges abut the lower surfaces of said cover plates to isolate said second raceway from said first raceway.

Claim 18

Dependent Claim 37 words

A utility floor construction as set forth in claim 1, wherein: each said separator bridge has a width measured between said bridge sidewalls that is substantially commensurate with the length of an associated floor pan leg portion.

Claim 19

Dependent Claim 36 words

A utility floor construction as set forth in claim 1, wherein: said cover plates extend over each of said floor pans and each of said separator bridges to enclose both of said first and second raceways.

Claim 20

Dependent Claim 48 words

A utility floor construction as set forth in claim 1, wherein: each of said separator bridges spans between the leg portions of two adjacent ones of said floor pans arranged end-to-end, and is connected with said leg portions to physically interconnect said adjacent ones of said floor pans.

Claim 21

Dependent Claim 55 words

A utility floor construction as set forth in claim 1, wherein: adjacent ones of said floor pans define an open floor space therebetween which defines at least a portion of said second raceway; and said sidewalls of said separator bridge associated with said adjacent ones of said floor pans open to said open floor space.

Claim 22

Dependent Claim 232 words

In a utility floor construction, the improvement of a floor pan and connector bridge construction, comprising: at least two floor pans adapted for abutting support directly on a floor surface in a mutually adjacent relationship; each of said floor pans including a central portion and at least one leg portion which extends outwardly of said central portion to an end edge thereof, and has a generally U-shaped vertical cross-sectional configuration defined by a base and upstanding pan sidewalls; said leg portion having a length measured longitudinally along said pan sidewalls to said end edge, and a width measured laterally between said pan sidewalls; at least one connector bridge having a generally U-shaped transverse vertical cross-sectional configuration defined by a central plate with opposite end edges, and upstanding bridge sidewalls; said connector bridge having a width measured between said bridge sidewalls which is substantially greater than the length of one of said floor pan leg portions, and a length measured between said central plate end edges which is at least as great as the width of one of said floor pan leg portions; said floor pans being positioned with the end edges of adjacent leg portions aligned and in abutment, and said connector bridge spanning between and connected with said adjacent leg portions, with said bridge sidewalls being disposed above, and oriented non-parallel to said pan sidewalls to rigidly interconnect said floor pans.

Claim 23

Dependent Claim 232 words

In a utility floor construction, the improvement of a floor pan and connector bridge construction, comprising: at least two floor pans adapted for abutting support directly on a floor surface in a mutually adjacent relationship; each of said floor pans including a central portion and at least one leg portion which extends outwardly of said central portion to an end edge thereof, and has a generally U-shaped vertical cross-sectional configuration defined by a base and upstanding pan sidewalls; said leg portion having a length measured longitudinally along said pan sidewalls to said end edge, and a width measured laterally between said pan sidewalls; at least one connector bridge having a generally U-shaped transverse vertical cross-sectional configuration defined by a central plate with opposite end edges, and upstanding bridge sidewalls; said connector bridge having a width measured between said bridge sidewalls which is substantially greater than the length of one of said floor pan leg portions, and a length measured between said central plate end edges which is at least as great as the width of one of said floor pan leg portions; said floor pans being positioned with the end edges of adjacent leg portions aligned and in abutment, and said connector bridge spanning between and connected with said adjacent leg portions, with said bridge sidewalls being disposed above, and oriented non-parallel to said pan sidewalls to rigidly interconnect said floor pans.

Claim 24

Dependent Claim 28 words

A utility floor construction as set forth in claim 21, wherein: said bridge sidewalls are oriented substantially perpendicular to said pan sidewalls to rigidly interconnect said floor pans.

Claim 25

Dependent Claim 38 words

A utility floor construction as set forth in claim 22, wherein: each of said separator bridges has a pair of depending bridge sidewalls which extend downwardly from said central portion and are positioned opposite said upstanding bridge sidewalls.

Claim 26

Dependent Claim 31 words

A utility floor construction as set forth in claim 23, wherein: threaded fasteners detachably connecting the depending bridge sidewalls of said separator bridges to the leg portions of said floor pans.

Claim 27

Dependent Claim 25 words

A utility floor construction as set forth in claim 24, wherein: said floor pans include X-shaped floor pans, T-shaped floor pans, and L-shaped floor pans.

Claim 28

Dependent Claim 26 words

A utility floor construction as set forth in claim 25, wherein: each of said X-shaped floor pans includes four raised pedestals positioned adjacent opposite corners thereof.

Claim 29

Dependent Claim 26 words

A utility floor construction as set forth in claim 26, wherein: each of said T-shaped floor pans includes two raised pedestals positioned adjacent opposite corners thereof.

Claim 30

Dependent Claim 29 words

A utility floor construction as set forth in claim 27, wherein: each of said L-shaped floor pans includes at least one raised pedestal positioned adjacent an interior corner thereof.

Claim 31

Dependent Claim 42 words

A utility floor construction as set forth in claim 28, including: a plurality of rigid cover plates supported on the pedestals of said floor pans in a mutually adjacent arrangement to define at least a portion of a continuous floor surface thereover.

Claim 32

Dependent Claim 31 words

A utility floor construction as set forth in claim 29, wherein: said floor pans collectively define at least a portion of a raceway in which an associated utility can be routed.

Claim 33

Dependent Claim 208 words

A utility floor construction, comprising: a plurality of floor pans adapted for abutting support directly on a floor surface in a mutually adjacent, lattice-like arrangement, wherein each one of said floor pans has a generally U-shaped configuration and a base which defines at least a portion of a first raceway that extends generally continuously throughout said floor construction and is adapted to route a first utility therein; a plurality of rigid cover plates supported on said floor pans in a mutually adjacent arrangement to generally enclose said first raceway, and define a continuous floor surface thereover; a second raceway disposed below said floor surface, physically separate from said first raceway, and adapted to route a second utility therein; and a plurality of connector bridges extending between adjacent ones of said floor pans, and being attached thereto to physically interconnect the same; said connector bridges each including a separator plate positioned a spaced apart distance above the bases of the adjacent floor pans to form thereunder a portion of said first raceway, and a spaced apart distance below the overlying cover plates to form a portion of said second raceway to permit crossing the first and second utilities while maintaining physical separation of the same to alleviate interference therebetween.

Claim 34

Dependent Claim 208 words

A utility floor construction, comprising: a plurality of floor pans adapted for abutting support directly on a floor surface in a mutually adjacent, lattice-like arrangement, wherein each one of said floor pans has a generally U-shaped configuration and a base which defines at least a portion of a first raceway that extends generally continuously throughout said floor construction and is adapted to route a first utility therein; a plurality of rigid cover plates supported on said floor pans in a mutually adjacent arrangement to generally enclose said first raceway, and define a continuous floor surface thereover; a second raceway disposed below said floor surface, physically separate from said first raceway, and adapted to route a second utility therein; and a plurality of connector bridges extending between adjacent ones of said floor pans, and being attached thereto to physically interconnect the same; said connector bridges each including a separator plate positioned a spaced apart distance above the bases of the adjacent floor pans to form thereunder a portion of said first raceway, and a spaced apart distance below the overlying cover plates to form a portion of said second raceway to permit crossing the first and second utilities while maintaining physical separation of the same to alleviate interference therebetween.

Claim 35

Dependent Claim 36 words

A utility floor construction as set forth in claim 31, wherein: said cover plates extend over each of said floor pans and each of said separator bridges to enclose both of said first and second raceways.

Claim 36

Dependent Claim 36 words

A utility floor construction as set forth in claim 32, wherein: each of said connector bridges has a pair of depending sidewalls which extend downwardly from said separator plate, and are attached to said floor pans.

Claim 37

Dependent Claim 26 words

A utility floor construction as set forth in claim 33, including: threaded fasteners detachably connecting the depending sidewalls of said connector bridges to said floor pans.

Claim 38

Dependent Claim 36 words

A utility floor construction as set forth in claim 34, wherein: each of said connector bridges has a pair of upstanding sidewalls which extend upwardly from said separator plate, and are positioned opposite said depending sidewalls.

Claim 39

Dependent Claim 18 words

A utility floor construction as set forth in claim 35, wherein: said floor pans include X-shaped floor pans.

Claim 40

Dependent Claim 36 words

A utility floor construction as set forth in claim 36, wherein: each of said X-shaped floor pans includes four raised pedestals positioned adjacent opposite corners thereof to support an associated one of said cover plates thereon.

Claim 41

Dependent Claim 56 words

A utility floor construction as set forth in claim 37, wherein adjacent ones of said floor pans have an open floor space therebetween which defines at least a portion of said second raceways; and said upstanding sidewalls of said connector bridge associated with said adjacent ones of said floor pans open to said open floor space.

Claim 42

Dependent Claim 49 words

A utility floor construction as set forth in claim 38, wherein: said floor pans have sidewalls with upper edges associated with said central portions; and said cover plates have lower surfaces which generally abut the upper edges of said sidewalls associated with the central portions of said floor pans.

Claim 43

Dependent Claim 35 words

A utility floor construction as set forth in claim 39, wherein: said upstanding sidewalls of said separator bridges abut the lower surfaces of said cover plates to isolate said second raceway from said first raceway.

Claim 44

Dependent Claim 190 words

In a utility floor construction for open space plans and the like, of the type having a raised floor surface with first and second utility raceways thereunder, the improvement comprising: an irregularly shaped floor pan adapted for abutting support on a building support surface, and having a generally U-shaped configuration and a base which defines at least a portion of the first raceway that extends generally continuously throughout said floor construction and an exterior which defines on the building support surface at least a portion of the second raceway that extends generally continuously throughout said floor construction; a rigid cover plate supported on said floor pan to generally enclose the first raceway, and define at least a portion of the raised floor surface; and a connector bridge attached to said floor pan, and projecting therefrom to an adjacent portion of said raised floor construction; said connector bridge including a separator plate positioned a spaced apart distance above the base of said floor pan to form thereunder a portion of the first raceway, and a spaced apart distance below said cover plate to form thereover a portion of the second raceway.

Claim 45

Dependent Claim 190 words

In a utility floor construction for open space plans and the like, of the type having a raised floor surface with first and second utility raceways thereunder, the improvement comprising: an irregularly shaped floor pan adapted for abutting support on a building support surface, and having a generally U-shaped configuration and a base which defines at least a portion of the first raceway that extends generally continuously throughout said floor construction and an exterior which defines on the building support surface at least a portion of the second raceway that extends generally continuously throughout said floor construction; a rigid cover plate supported on said floor pan to generally enclose the first raceway, and define at least a portion of the raised floor surface; and a connector bridge attached to said floor pan, and projecting therefrom to an adjacent portion of said raised floor construction; said connector bridge including a separator plate positioned a spaced apart distance above the base of said floor pan to form thereunder a portion of the first raceway, and a spaced apart distance below said cover plate to form thereover a portion of the second raceway.

Claim 46

Dependent Claim 32 words

A utility floor construction as set forth in claim 41, wherein: said cover plate extends over said floor pan and said separator bridge to enclose both of said first and second raceways.

Claim 47

Dependent Claim 34 words

A utility floor construction as set forth in claim 42, wherein: said connector bridge has a pair of depending sidewalls which extend downwardly from said separator plate, and are attached to said floor pan.

Claim 48

Dependent Claim 26 words

A utility floor construction as set forth in claim 43, including: threaded fasteners detachably connecting the depending sidewalls of said connector bridge to said floor pan.

Claim 49

Dependent Claim 34 words

A utility floor construction as set forth in claim 44, wherein: said connector bridge has a pair of upstanding sidewalls which extend upwardly from said separator plate, and are positioned opposite said depending sidewalls.

Claim 50

Dependent Claim 19 words

A utility floor construction as set forth in claim 45, wherein: said floor pan is an X-shaped floor pan.

Claim 51

Dependent Claim 30 words

A utility floor construction as set forth in claim 46, wherein: said X-shaped floor pan includes four raised pedestals positioned adjacent opposite corners thereof to support said cover plate thereon.

Claim 52

Dependent Claim 45 words

A utility floor construction as set forth in claim 47, wherein: said floor pan has an open floor space disposed therealong which defines at least a portion of said second raceway; and said upstanding sidewalls of said connector bridge open to said open floor space.

Claim 53

Dependent Claim 50 words

A utility floor construction as set forth in claim 48, wherein: said floor pan has sidewalls with upper edges associated with said central portion; and said cover plate has a lower surface which generally abuts the upper edge of the sidewalls associated with the central portion of said floor pan.

Claim 54

Dependent Claim 35 words

A utility floor construction as set forth in claim 49, wherein: said upstanding sidewalls of said separator bridge abut the lower surface of said cover plate to isolate said second raceway from said first raceway.

Claim 55

Dependent Claim 203 words

In a utility floor construction, the improvement of a base module, comprising: at least four X-shaped floor pans adapted for abutting support directly on a floor surface in a mutually adjacent relationship; each of said floor pans including a central portion, and at least four leg portions which extend outwardly of said central portion and have a generally U-shaped vertical cross-sectional configuration defined by a base and upstanding pan sidewalls; said floor pans being positioned with ends of adjacent leg portions aligned and in abutment to form a portion of a first raceway within said floor pans, and a portion of a second raceway without said floor pans; at least four connector bridges rigidly interconnecting said floor pans; each of said bridges having a generally U-shaped transverse vertical cross-sectional configuration defined by a central plate below which a portion of the first raceway is disposed, and upstanding sidewalls between which a portion of the second raceway is disposed; said connector bridges spanning between and connected with said adjacent leg portions of said floor pans, with said bridge sidewalls being disposed above, and oriented substantially perpendicular to the associated pan sidewalls to rigidly interconnect said floor pans, and separate the first and second raceways.

Claim 56

Dependent Claim 203 words

In a utility floor construction, the improvement of a base module, comprising: at least four X-shaped floor pans adapted for abutting support directly on a floor surface in a mutually adjacent relationship; each of said floor pans including a central portion, and at least four leg portions which extend outwardly of said central portion and have a generally U-shaped vertical cross-sectional configuration defined by a base and upstanding pan sidewalls; said floor pans being positioned with ends of adjacent leg portions aligned and in abutment to form a portion of a first raceway within said floor pans, and a portion of a second raceway without said floor pans; at least four connector bridges rigidly interconnecting said floor pans; each of said bridges having a generally U-shaped transverse vertical cross-sectional configuration defined by a central plate below which a portion of the first raceway is disposed, and upstanding sidewalls between which a portion of the second raceway is disposed; said connector bridges spanning between and connected with said adjacent leg portions of said floor pans, with said bridge sidewalls being disposed above, and oriented substantially perpendicular to the associated pan sidewalls to rigidly interconnect said floor pans, and separate the first and second raceways.

Claim 57

Dependent Claim 40 words

A utility floor construction as set forth in claim 51, wherein: each of said connector bridges has a pair of depending sidewalls which extend downwardly from said separator plate opposite said upstanding sidewalls, and are attached to said floor pans.

Claim 58

Dependent Claim 26 words

A utility floor construction as set forth in claim 52, including: threaded fasteners detachably connecting the depending sidewalls of said connector bridges to said floor pans.

Claim 59

Dependent Claim 27 words

A utility floor construction as set forth in claim 53, including: a plurality of rigid cover plates supported on said floor pans in a mutually adjacent arrangement.

Claim 60

Dependent Claim 36 words

A utility floor construction as set forth in claim 54, wherein: said cover plates extend over each of said floor pans and each of said separator bridges to enclose both of said first and second raceways.

Claim 61

Dependent Claim 36 words

A utility floor construction as set forth in claim 55, wherein: each of said X-shaped floor pans includes four raised pedestals positioned adjacent opposite corners thereof to support an associated one of said cover plates thereon.

Claim 62

Dependent Claim 56 words

A utility floor construction as set forth in claim 56, wherein: adjacent ones of said floor pans have an open floor space therebetween which defines at least a portion of said second raceway; and said upstanding sidewalls of said connector bridge associated with said adjacent ones of said floor pans open to said open floor space.

Claim 63

Dependent Claim 48 words

A utility floor construction as set forth in claim 57, wherein: said floor pans sidewalls associated with said central portions have upper edges; and said cover plates have lower surfaces which generally abut the upper edges of said sidewalls associated with the central portions of said floor pans.

Claim 64

Dependent Claim 35 words

A utility floor construction as set forth in claim 58, wherein: said upstanding sidewalls of said separator bridges abut the lower surfaces of said cover plates to isolate said second raceway from said first raceway.

Claim 65

Dependent Claim 25 words

A utility floor construction as set forth in claim 59, wherein: said floor pans and connector bridges are arranged to assume a checkerboard plan configuration.

Claim 66

Dependent Claim 337 words

A utility floor construction, comprising: a plurality of floor pans adapted for abutting support directly on a floor surface in a mutually adjacent pattern; each of said floor pans having a generally U-shaped vertical cross-sectional configuration defined by a base and upstanding sidewalls; each floor pan base including a central portion and at least one leg portion which extends outwardly of said central portion to collectively define at least a portion of a first raceway in which first utilities can be routed; a plurality of rigid cover plates supported on said floor pans in a mutually adjacent arrangement to define at least a portion of a continuous floor surface thereover; a plurality of separator bridges, each having a generally U-shaped transverse vertical cross-sectional configuration defined by a central plate and upstanding sidewalls which define at least a portion of a second raceway in which second utilities can be routed; each of said floor pan central portions having at least one of said cover plates positioned over the associated central portion to enclosed the same; each of said floor pan leg portions having one of said separator bridges positioned on top of the associated leg portion and extending laterally thereacross, with the sidewalls of said one separator bridge being disposed above, and oriented substantially perpendicular to the sidewalls of said associated floor pan leg portion, whereby when said floor pans and separator bridges are positioned adjacent one another on the floor surface the leg portions of adjacent floor pans abut end-to-end so that said first raceway is shielded from the floor surface and extends continuously through said floor construction, each of said separator bridges spans between the leg portions of two adjacent ones of said floor pans arranged end-to-end, and is connected with said leg portions to physically interconnect said adjacent ones of said floor pans, and said separator bridges physically separate said second raceway from said first raceway to positively prevent the second utilities from coming into contact with the first utilities and thereby minimize interference therebetween.

Claim 67

Dependent Claim 337 words

A utility floor construction, comprising: a plurality of floor pans adapted for abutting support directly on a floor surface in a mutually adjacent pattern; each of said floor pans having a generally U-shaped vertical cross-sectional configuration defined by a base and upstanding sidewalls; each floor pan base including a central portion and at least one leg portion which extends outwardly of said central portion to collectively define at least a portion of a first raceway in which first utilities can be routed; a plurality of rigid cover plates supported on said floor pans in a mutually adjacent arrangement to define at least a portion of a continuous floor surface thereover; a plurality of separator bridges, each having a generally U-shaped transverse vertical cross-sectional configuration defined by a central plate and upstanding sidewalls which define at least a portion of a second raceway in which second utilities can be routed; each of said floor pan central portions having at least one of said cover plates positioned over the associated central portion to enclosed the same; each of said floor pan leg portions having one of said separator bridges positioned on top of the associated leg portion and extending laterally thereacross, with the sidewalls of said one separator bridge being disposed above, and oriented substantially perpendicular to the sidewalls of said associated floor pan leg portion, whereby when said floor pans and separator bridges are positioned adjacent one another on the floor surface the leg portions of adjacent floor pans abut end-to-end so that said first raceway is shielded from the floor surface and extends continuously through said floor construction, each of said separator bridges spans between the leg portions of two adjacent ones of said floor pans arranged end-to-end, and is connected with said leg portions to physically interconnect said adjacent ones of said floor pans, and said separator bridges physically separate said second raceway from said first raceway to positively prevent the second utilities from coming into contact with the first utilities and thereby minimize interference therebetween.

Claim 68

Dependent Claim 55 words

A utility floor construction as set forth in claim 61, wherein: adjacent ones of said floor pans define an open floor space therebetween, which defines at least a portion of said second raceway; and said sidewalls of said connector bridge associated with said adjacent ones of said floor pans open to said open floor space.

Claim 69

Dependent Claim 36 words

A utility floor construction as set forth in claim 62, wherein: each of said separator bridges has a pair of depending sidewalls which extend downwardly from said central portion and are positioned opposite said upstanding sidewalls.

Claim 70

Dependent Claim 30 words

A utility floor construction as set forth in claim 63, including: threaded fasteners detachably connecting the depending sidewalls of said separator bridges to the leg portions of said floor pans.

Claim 71

Dependent Claim 25 words

A utility floor construction as set forth in claim 64, wherein: said floor pans include X-shaped floor pans, T-shaped floor pans, and L-shaped floor pans.

Claim 72

Dependent Claim 36 words

A utility floor construction as set forth in claim 65, wherein: each of said X-shaped floor pans includes four raised pedestals positioned adjacent opposite corners thereof to support an associated one of said cover plates thereon.

Claim 73

Dependent Claim 41 words

A utility floor construction as set forth in claim 66, wherein: each of said T-shaped floor pans includes two raised pedestals positioned adjacent opposite corners thereof to support at least a portion of an associated one of said cover plates thereon.

Claim 74

Dependent Claim 44 words

A utility floor construction as set forth in claim 67, wherein: each of said L-shaped floor pans includes at least one raised pedestal positioned adjacent an interior corner thereof to support at least a portion of an associated one off said cover plates thereon.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	2000-12-15	2001-06-16	2001-12-16	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	2004-12-15	2005-06-16	2005-12-16	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2008-12-15	2009-06-16	2009-12-16	$7700.00	Window Closed / Lapsed

Utility distribution system for open office plans and the like

Abstract

Inventors

Bibliographic Details

Claims Analysis

References Cited (Backward Citations)

USPTO Annuity & Maintenance Windows

Assigned Categories & Tags

Assign Category Tag