Patent US4442780A successfully refreshed from Google Patents.
US4442780A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clipboard and shield
Assignee: CHILD LABORATORIES Inc A CORP OF MN
•
Filing: 1980-07-21
•
Granted: 1984-04-17
•
Expires: 2000-07-21
Abstract
Abstract A clipboard and shield apparatus having a board with a top flat surface to accommodate writing paper and a bottom with ribs forming pockets which serve as barriers to prevent a sharp object from moving off the apparatus. The board has high impact strength provided by laminated sheet members bonded together and surrounding a high strength core comprising a woven mat of high density polyethylene. A hand grip is attached to one side of the board. A fluid dispenser or flashlight is carried by the hand grip.
Inventors
- 👤 Francis W. Child
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:37
CPC Classifications
F; F41; F41H; F41H9/00; F41H9/10; F41H5/00; F41H5/06; F41H5/08; Y; Y10; Y10T; Y10T24/00; Y10T24/20; Y10T24/202; Y10T24/203; Y10T24/204; Y10T24/205; Y10T24/206
Claims Analysis
Total Claims: 44
Claim 1
Independent Claim
139 words
An apparatus useable as a support for accommodating sheet means and as a shield comprising: board means having a core, a plurality of sheet members surrounding the core, one of said sheet members having a generally flat outside surface providing a first side of the board means for accommodating sheet means, a plurality of rib means secured to another of said sheet members providing a second side of the board means, said second side being opposite the first side, means attached to the board means for holding the sheet means on said surface, hand grip means attached to a portion of the board means, and fluid dispensing means mounted on the hand grip means, said dispensing means having fluid discharge means, and actuator means operable to allow fluid to be dispensed into the atmosphere via the fluid discharge means.
Claim 2
Independent Claim
139 words
An apparatus useable as a support for accommodating sheet means and as a shield comprising: board means having a core, a plurality of sheet members surrounding the core, one of said sheet members having a generally flat outside surface providing a first side of the board means for accommodating sheet means, a plurality of rib means secured to another of said sheet members providing a second side of the board means, said second side being opposite the first side, means attached to the board means for holding the sheet means on said surface, hand grip means attached to a portion of the board means, and fluid dispensing means mounted on the hand grip means, said dispensing means having fluid discharge means, and actuator means operable to allow fluid to be dispensed into the atmosphere via the fluid discharge means.
Claim 3
Dependent Claim
19 words
The apparatus of claim 1 wherein: the sheet members are located side-by-side, and means bonding adjacent sheet members together.
Claim 4
Dependent Claim
14 words
The apparatus of claim 1 wherein: said core comprises a mat of woven cords.
Claim 5
Dependent Claim
12 words
The apparatus of claim 3 wherein: said cords are high strength plastic.
Claim 6
Dependent Claim
32 words
The apparatus of claim 1 wherein: the sheet members are high strength plastic sheet members located in side-by-side relation on opposite sides of the core, and means securing adjacent sheet members together.
Claim 7
Dependent Claim
16 words
The apparatus of claim 5 wherein: the means securing adjacent sheet members together is an adhesive.
Claim 8
Dependent Claim
48 words
The apparatus of claim 1 wherein: the rib means comprise a plurality of transverse ribs, a plurality of longitudinal ribs, and a peripheral rib extended around the outer edges of said board means, said ribs providing a plurality of pockets in the second side of the board means.
Claim 9
Dependent Claim
54 words
The apparatus of claim 1 wherein: the means attached to the board means for holding the sheet means is a clip having a movable member engageable with a portion of the first side of the board means, and biasing means for holding said movable member in engagement with said portion of the first side.
Claim 10
Dependent Claim
62 words
The apparatus of claim 1 wherein: said hand grip means has a body with a passage, said fluid dispensing means being located in said passage, said fluid dispensing means including a nozzle, and said actuator means including an actuator button adapted to be moved to allow fluid to be discharged through said nozzle away from the second side of the board means.
Claim 11
Independent Claim
155 words
An apparatus for supporting sheet means and useable as a shield comprising: board means having a core and a plurality of side-by-side high strength plastic sheet members surrounding the core, one of said sheet members having a generally flat outside surface providing a first side of the board means for accommodating sheet means, a plurality of first rib means and second rib means secured to another of said sheet members providing a second side of the board means, said second side being opposite the first side, said first rib means and second rib means being angularly disposed relative to each other, continuous peripheral rib means extending around the outer edges of the board means, said first rib means, second rib means, and peripheral rib means providing a plurality of pockets in the second side of the board means, and means attached to the board means for holding the sheet means on said generally flat surface.
Claim 12
Independent Claim
155 words
An apparatus for supporting sheet means and useable as a shield comprising: board means having a core and a plurality of side-by-side high strength plastic sheet members surrounding the core, one of said sheet members having a generally flat outside surface providing a first side of the board means for accommodating sheet means, a plurality of first rib means and second rib means secured to another of said sheet members providing a second side of the board means, said second side being opposite the first side, said first rib means and second rib means being angularly disposed relative to each other, continuous peripheral rib means extending around the outer edges of the board means, said first rib means, second rib means, and peripheral rib means providing a plurality of pockets in the second side of the board means, and means attached to the board means for holding the sheet means on said generally flat surface.
Claim 13
Dependent Claim
14 words
The apparatus of claim 10 including: adhesive means bonding the side-by-side sheet members together.
Claim 14
Dependent Claim
24 words
The apparatus of claim 11 wherein: the core is a mat of high tear strength woven cords, and means securing adjacent sheet members together.
Claim 15
Dependent Claim
16 words
The apparatus of claim 12 wherein: the means securing adjacent sheet members together is an adhesive.
Claim 16
Dependent Claim
53 words
The apparatus of claim 10 wherein: the first rib means comprise a plurality of continuous transverse ribs, and the second rib means comprise a plurality of longitudinal ribs, and said peripheral rib means extended around the outer edges of said board means and joined to opposite ends of the transverse and longitudinal ribs.
Claim 17
Dependent Claim
17 words
The apparatus of claim 10 including: hand grip means attached to a portion of the board means.
Claim 18
Independent Claim
191 words
An apparatus for supporting sheet means and useable as a shield comprising: board means having a plurality of side-by-side sheet members, one of said sheet members having a generally flat outside surface providing a first side of the board means for accommodating sheet means, a plurality of first rib means and second rib means secured to another of said sheet members providing a second side of the board means, said second side being opposite the first side, said first rib means and second rib means being angularly disposed relative to each other, continuous peripheral rib means extending around the outer edges of the board means, said first rib means, second rib means, and peripheral rib means providing a plurality of pockets in the second side of the board means, means attached to the board means for holding the sheet means on said generally flat surface, hand grip means attached to a portion of the board means, and fluid dispensing means mounted on the hand grip means, said dispensing means having fluid discharge means, and actuator means operable to allow fluid to be dispensed into the atmosphere via the fluid discharge means.
Claim 19
Independent Claim
191 words
An apparatus for supporting sheet means and useable as a shield comprising: board means having a plurality of side-by-side sheet members, one of said sheet members having a generally flat outside surface providing a first side of the board means for accommodating sheet means, a plurality of first rib means and second rib means secured to another of said sheet members providing a second side of the board means, said second side being opposite the first side, said first rib means and second rib means being angularly disposed relative to each other, continuous peripheral rib means extending around the outer edges of the board means, said first rib means, second rib means, and peripheral rib means providing a plurality of pockets in the second side of the board means, means attached to the board means for holding the sheet means on said generally flat surface, hand grip means attached to a portion of the board means, and fluid dispensing means mounted on the hand grip means, said dispensing means having fluid discharge means, and actuator means operable to allow fluid to be dispensed into the atmosphere via the fluid discharge means.
Claim 20
Dependent Claim
62 words
The apparatus of claim 16 wherein: said hand grip means has a body with a passage, said fluid dispensing means being located in said passage, said fluid dispensing means including a nozzle and said actuator means including an actuator button adapted to be moved to allow fluid to be discharged to said nozzle away from the second side of the board means.
Claim 21
Independent Claim
108 words
The apparatus for supporting sheet means useable as a shield comprising: board means having a core, a plurality of sheet members surrounding the core, one of said sheet members having a generally flat outside surface providing a first side of the board means for accommodating sheet means, means attached to the board means for holding the sheet means on said surface, hand grip means attached to a portion of the board means, and fluid dispensing means mounted on the hand grip means, said fluid dispensing means having fluid discharge means, and actuator means operable to allow fluid to be dispensed into the atmosphere via the fluid discharge means.
Claim 22
Independent Claim
108 words
The apparatus for supporting sheet means useable as a shield comprising: board means having a core, a plurality of sheet members surrounding the core, one of said sheet members having a generally flat outside surface providing a first side of the board means for accommodating sheet means, means attached to the board means for holding the sheet means on said surface, hand grip means attached to a portion of the board means, and fluid dispensing means mounted on the hand grip means, said fluid dispensing means having fluid discharge means, and actuator means operable to allow fluid to be dispensed into the atmosphere via the fluid discharge means.
Claim 23
Dependent Claim
19 words
The apparatus of claim 18 wherein: the sheet members are located side-by-side, and means bonding adjacent sheet members together.
Claim 24
Dependent Claim
14 words
The apparatus of claim 18 wherein: said core comprises a mat of woven cords.
Claim 25
Dependent Claim
12 words
The apparatus of claim 20 wherein: said cords are high strength plastic.
Claim 26
Dependent Claim
32 words
The apparatus of claim 18 wherein: the sheet members are high strength plastic sheet members located in side-by-side relation on opposite sides of the core, and means securing adjacent sheet members together.
Claim 27
Dependent Claim
15 words
The apparatus of claim 22 wherein: the means securing sheet members together is an adhesive.
Claim 28
Dependent Claim
62 words
The apparatus of claim 18 wherein: said hand grip means has a body with a passage, said fluid dispensing means being located in said passage, said fluid dispensing means including a nozzle, and said actuator means including an actuator button adapted to be moved to allow fluid to be discharged through said nozzle away from the second side of the board means.
Claim 29
Independent Claim
132 words
An apparatus useable as a protection shield comprising: board means having first and second outside surfaces, said first surface being an outside surface providing a first side of the board means, said second surface located opposite the first surface including a plurality of first rib means and second rib means and continuous peripheral rib means surrounding the first rib means and second rib means, said first rib means and second rib means being angularly disposed relative to each other and providing, with said peripheral rib means, a plurality of pockets in the second side of the board means, said board means includes a core, and high strength plastic sheet members surrounding said core, one of said sheet members having said first surface, and another of said sheet members having said second surface.
Claim 30
Independent Claim
132 words
An apparatus useable as a protection shield comprising: board means having first and second outside surfaces, said first surface being an outside surface providing a first side of the board means, said second surface located opposite the first surface including a plurality of first rib means and second rib means and continuous peripheral rib means surrounding the first rib means and second rib means, said first rib means and second rib means being angularly disposed relative to each other and providing, with said peripheral rib means, a plurality of pockets in the second side of the board means, said board means includes a core, and high strength plastic sheet members surrounding said core, one of said sheet members having said first surface, and another of said sheet members having said second surface.
Claim 31
Dependent Claim
34 words
The apparatus of claim 25 wherein: the sheet members comprise a plurality of side-by-side sheet members, and means securing adjacent sheet members together to another laminated wall, said side-by-side sheet members surrounding said core.
Claim 32
Dependent Claim
17 words
The apparatus of claim 26 wherein: said core is a mat of high tear strength woven cords.
Claim 33
Dependent Claim
17 words
The apparatus of claim 26 including: hand grip means attached to a portion of the board means.
Claim 34
Dependent Claim
17 words
The apparatus of claim 25 wherein: said core is a mat of high tear strength woven cords.
Claim 35
Dependent Claim
22 words
The apparatus of claim 25 including: movable clip means attached to the board means for holding sheet means on said first surface.
Claim 36
Dependent Claim
89 words
A protection shield apparatus comprising: board means having first and second outside surfaces, a core of high strength woven fabric material, a plurality of side-by-side high density plastic sheet members surrounding the core, and means bonding adjacent sheet members together to provide a laminated wall surrounding the core, said sheet members including an inside sheet member providing a chamber accommodating the core, said inside sheet member engageable with the opposite sides of the core, said sheet members including an outside sheet member having said first and second outside surfaces.
Claim 37
Dependent Claim
89 words
A protection shield apparatus comprising: board means having first and second outside surfaces, a core of high strength woven fabric material, a plurality of side-by-side high density plastic sheet members surrounding the core, and means bonding adjacent sheet members together to provide a laminated wall surrounding the core, said sheet members including an inside sheet member providing a chamber accommodating the core, said inside sheet member engageable with the opposite sides of the core, said sheet members including an outside sheet member having said first and second outside surfaces.
Claim 38
Dependent Claim
14 words
The apparatus of claim 31 wherein: said core is a mat of woven cords.
Claim 39
Dependent Claim
13 words
The apparatus of claim 32 wherein: said mat has a generally flat shape.
Claim 40
Dependent Claim
18 words
The apparatus of claim 32 wherein: said cores have plastic fibers characterized with high impact and tear strength.
Claim 41
Dependent Claim
15 words
The apparatus of claim 31 wherein: said sheet members are high density polyethylene sheet members.
Claim 42
Dependent Claim
25 words
The apparatus of claim 31 wherein: said means bonding adjacent sheet members together comprise an adhesive bonding the adjacent surfaces of the sheet members together.
Claim 43
Dependent Claim
65 words
The apparatus of claim 31 wherein: said board means includes on the second outside surface first rib means and second rib means angularly disposed relative to each other, and continuous peripheral rib means extended around said first and second rib means, said first rib means, second rib means, and peripheral rib means providing a plurality of pockets in the second side of the board means.
Claim 44
Dependent Claim
51 words
The apparatus of claim 33 wherein: the first rib means comprise a plurality of continuous transverse ribs, and the second rib means comprise a plurality of longitudinal ribs, and said peripheral rib means extending around the edges of said board means join to opposite ends of the transverse and longitudinal ribs.
References Cited (Backward Citations)
US1398592A
Cited
US2996774A
Cited
US3516898A
Cited
US3722355A
Cited
US3523057A
Cited
US3577306A
Cited
US3745938A
Cited
US3766865A
Cited
US3848547A
Cited
US3866242A
Cited
US4109543A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-04-17 | 1987-10-17 | 1988-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-04-17 | 1991-10-17 | 1992-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-04-17 | 1995-10-17 | 1996-04-17 | $7700.00 | Window Closed / Lapsed |