Patent US5207495A successfully refreshed from Google Patents.
US5207495A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Graphic arts light box
Assignee: VEMCO Corp A CORPORATION OF
•
Filing: 1991-07-08
•
Granted: 1993-05-04
•
Expires: 2011-07-08
Abstract
Abstract A graphic arts work center comprising a box having a bottom wall, upright side walls, and an associated frame; a light diffuser plate carried by the frame to overlie the bottom wall and define therewith an illumination space; illumination structure in the space to illuminate the underside of the diffuser plate; and a cover retained by the box to overlie the plate and to be upwardly removable to expose the plate for transmitting light to work placed over the plate; the box having auxiliary receptacle structure for storage of equipment usable in conjunction with use of the work placed over the plate.
Inventors
- 👤 Arthur G. Ahlstone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:51
CPC Classifications
F; F21; F21S; F21S6/00; F21S6/002; G; G09; G09F; G09F13/00; G09F13/04; G09F13/0409; F21Y; F21Y2103/00
Claims Analysis
Total Claims: 31
Claim 1
Independent Claim
129 words
A graphic arts work center comprising a) a box having a bottom wall, upright side walls, and an associated frame, b) a light diffuser plate carried by the frame to overlie the bottom wall and define therewith an illumination space, c) illumination means in said space to illuminate the underside of the diffuser plate, d) and a cover retained by the box to overlie said plate and to be upwardly removable to expose said plate for transmitting light to work placed over the plate, e) the box having auxiliary receptacle means for storage of equipment usable in conjunction with use of said work placed over the plate, f) and wherein said frame has associated grooving, g) the edge of the cover being held in said grooving by retaining means.
Claim 2
Dependent Claim
129 words
A graphic arts work center comprising a) a box having a bottom wall, upright side walls, and an associated frame, b) a light diffuser plate carried by the frame to overlie the bottom wall and define therewith an illumination space, c) illumination means in said space to illuminate the underside of the diffuser plate, d) and a cover retained by the box to overlie said plate and to be upwardly removable to expose said plate for transmitting light to work placed over the plate, e) the box having auxiliary receptacle means for storage of equipment usable in conjunction with use of said work placed over the plate, f) and wherein said frame has associated grooving, g) the edge of the cover being held in said grooving by retaining means.
Claim 3
Dependent Claim
19 words
The combination of claim 1 wherein said frame is rectangular and said grooving receives peripheral portions of said plate.
Claim 4
Dependent Claim
124 words
A graphic arts work center comprising a) a box having a bottom wall, upright side walls, and an associated frame, b) a light diffuser plate carried by the frame to overlie the bottom wall and define therewith an illumination space, c) illumination means in said space to illuminate the underside of the diffuser plate, d) and a cover retained by the fox to overlie said plate and to be upwardly removable to expose said plate for transmitting light to work placed over the plate, e) the box having auxiliary receptacle means for storage of equipment usable in conjunction with use of said work placed over the plate, f) and wherein said frame has grooving to compressively and removably receive edge portions of the cover.
Claim 5
Dependent Claim
124 words
A graphic arts work center comprising a) a box having a bottom wall, upright side walls, and an associated frame, b) a light diffuser plate carried by the frame to overlie the bottom wall and define therewith an illumination space, c) illumination means in said space to illuminate the underside of the diffuser plate, d) and a cover retained by the fox to overlie said plate and to be upwardly removable to expose said plate for transmitting light to work placed over the plate, e) the box having auxiliary receptacle means for storage of equipment usable in conjunction with use of said work placed over the plate, f) and wherein said frame has grooving to compressively and removably receive edge portions of the cover.
Claim 6
Dependent Claim
147 words
A graphic arts work center comprising a) a box having a bottom wall, upright side walls, and an associated frame, b) a light diffuser plate carried by the frame to overlie the bottom wall and define therewith an illumination space, c) illumination means in said space to illuminate the underside of the diffuser plate, d) and a cover retained by the box to overlie said plate and to be upwardly removable to expose said plate for transmitting light to work placed over the plate, e) the box having auxiliary receptacle means for storage of equipment usable in conjunction with use of said work placed over the plate, f) and wherein said frame is rectangular and defines first grooving facing laterally for receiving rectangular peripheral portions of said plate, the frame also defining second grooving facing upwardly for compressively and removably receiving peripheral edge portions of the cover.
Claim 7
Dependent Claim
147 words
A graphic arts work center comprising a) a box having a bottom wall, upright side walls, and an associated frame, b) a light diffuser plate carried by the frame to overlie the bottom wall and define therewith an illumination space, c) illumination means in said space to illuminate the underside of the diffuser plate, d) and a cover retained by the box to overlie said plate and to be upwardly removable to expose said plate for transmitting light to work placed over the plate, e) the box having auxiliary receptacle means for storage of equipment usable in conjunction with use of said work placed over the plate, f) and wherein said frame is rectangular and defines first grooving facing laterally for receiving rectangular peripheral portions of said plate, the frame also defining second grooving facing upwardly for compressively and removably receiving peripheral edge portions of the cover.
Claim 8
Dependent Claim
47 words
The combination of claim wherein said illumination means includes elongated fluorescent bulb means extending in said illumination space, and a light reflector extending in said space in proximity to said bottom wall to face the diffuser plate for reflecting light from said bulb means toward that plate.
Claim 9
Dependent Claim
31 words
The combination of claim 5 wherein said reflector has reflecting surfaces facing laterally toward opposite sides of said bulb means as well as facing upwardly toward the underside of said plate.
Claim 10
Dependent Claim
54 words
The combination of claim 6 wherein said bulb means includes two parallel elongated bulbs, and there are two pairs of said reflecting surfaces, the reflecting surfaces of one pair facing laterally toward opposite sides of one bulb, and the reflecting surfaces of the other pair facing laterally toward opposite sides of the other bulb.
Claim 11
Dependent Claim
22 words
The combination of claim 1 wherein said cover includes a wall spaced upwardly from the plate to define therewith a storage space.
Claim 12
Dependent Claim
143 words
A graphic arts work center comprising a) a box having a bottom wall, upright side walls, and an associated frame, b) a light diffuser plate carried by the frame to overlie the bottom wall and define therewith an illumination space, c) illumination means in said space to illuminate the underside of the diffuser plate, d) and a cover retained by the box to overlie said plate and to be upwardly removable to expose said plate for transmitting light to work placed over the plate, e) the box having auxiliary receptacle means for storage of equipment usable in conjunction with use of said work placed over the plate, f) and including a U-shaped handle having parallel arms extending adjacent opposite ends of the box, and a cross-piece extending at a side of the box, said handle forming with the box an open grip space.
Claim 13
Dependent Claim
143 words
A graphic arts work center comprising a) a box having a bottom wall, upright side walls, and an associated frame, b) a light diffuser plate carried by the frame to overlie the bottom wall and define therewith an illumination space, c) illumination means in said space to illuminate the underside of the diffuser plate, d) and a cover retained by the box to overlie said plate and to be upwardly removable to expose said plate for transmitting light to work placed over the plate, e) the box having auxiliary receptacle means for storage of equipment usable in conjunction with use of said work placed over the plate, f) and including a U-shaped handle having parallel arms extending adjacent opposite ends of the box, and a cross-piece extending at a side of the box, said handle forming with the box an open grip space.
Claim 14
Dependent Claim
47 words
The combination of claim 9 wherein said arms have pivotal attachment to said opposite ends of the box, and adjustable means to position the handle at a pivot angle relative to the box to support the box at a selected tilt angle relative to a support surface.
Claim 15
Dependent Claim
168 words
A graphic arts work center comprising a) a box having a bottom wall, upright side walls, and an associated frame, b) a light diffuser plate carried by the frame to overlie the bottom wall and define therewith an illumination space, c) illumination means in said space to illuminate the underside of the diffuser plate, d) and a cover retained by the box to overlie said plate and to be upwardly removable to expose said plate for transmitting light to work placed over the plate, e) the box having auxiliary receptacle means for storage of equipment usable in conjunction with use of said work placed over the plate, f) said frame being rectangular and defining grooving receiving peripheral portions of said plate, g) and wherein said side walls have frame-supporting structure, and including attachment means removably attaching the frame to said supporting structure to allow frame and plate upward removal, thereby providing access to the illumination means in said illuminating space for adjustment or replacement of said illumination means.
Claim 16
Dependent Claim
168 words
A graphic arts work center comprising a) a box having a bottom wall, upright side walls, and an associated frame, b) a light diffuser plate carried by the frame to overlie the bottom wall and define therewith an illumination space, c) illumination means in said space to illuminate the underside of the diffuser plate, d) and a cover retained by the box to overlie said plate and to be upwardly removable to expose said plate for transmitting light to work placed over the plate, e) the box having auxiliary receptacle means for storage of equipment usable in conjunction with use of said work placed over the plate, f) said frame being rectangular and defining grooving receiving peripheral portions of said plate, g) and wherein said side walls have frame-supporting structure, and including attachment means removably attaching the frame to said supporting structure to allow frame and plate upward removal, thereby providing access to the illumination means in said illuminating space for adjustment or replacement of said illumination means.
Claim 17
Dependent Claim
42 words
The combination of claim 1 wherein said receptacle means includes at least one of the following: x 1 ) a tool receptacle at one side of the box, x 2 ) an electrical power cord receptacle at one side of the box.
Claim 18
Dependent Claim
23 words
The combination of claim 12 wherein said x 1 ) and x 2 ) receptacles are located at one side of the box.
Claim 19
Dependent Claim
171 words
A graphic arts work center comprising a) a box having a bottom wall, upright side walls, and an associated frame, b) a light diffuser plate carried by the frame to overlie the bottom wall and define therewith an illumination space, c) illumination means in said space to illuminate the underside of the diffuser late, d) and a cover retained by the box to overlie said plate and to be upwardly removable to expose said plate for transmitting light to work placed over the plate, e) the box having auxiliary receptacle means for storage of equipment usable in conjunction with use of said work placed over the plate, f) said receptacle means including at least one of the following: x 1 ) a tool receptacle at one side of the box, x 2 ) an electrical power cord receptacle at one side of the box, g) and including a handle movably attached to the box and protectively extending over at least one of said x 1 ) and x 2 ) receptacles.
Claim 20
Dependent Claim
171 words
A graphic arts work center comprising a) a box having a bottom wall, upright side walls, and an associated frame, b) a light diffuser plate carried by the frame to overlie the bottom wall and define therewith an illumination space, c) illumination means in said space to illuminate the underside of the diffuser late, d) and a cover retained by the box to overlie said plate and to be upwardly removable to expose said plate for transmitting light to work placed over the plate, e) the box having auxiliary receptacle means for storage of equipment usable in conjunction with use of said work placed over the plate, f) said receptacle means including at least one of the following: x 1 ) a tool receptacle at one side of the box, x 2 ) an electrical power cord receptacle at one side of the box, g) and including a handle movably attached to the box and protectively extending over at least one of said x 1 ) and x 2 ) receptacles.
Claim 21
Dependent Claim
186 words
A graphic arts work center comprising a) a box having a bottom wall, upright side walls, and an associated frame, b) a light diffuser plate carried by the frame to overlie the bottom wall and define therewith an illumination space, c) illumination means in said space to illuminate the underside of the diffuser plate, d) and a cover retained by the box to overlie said plate and to be upwardly removable to expose said plate for transmitting light to work placed over the plate, e) the box having auxiliary receptacle means for storage of equipment usable in conjunction with use of said work placed over the plate, f) said receptacle means including at least one of the following: x 1 ) a tool receptacle at one side of the box, x 2 ) an electrical power cord receptacle at one side of the box, g) said x 1 ) and x 2 ) receptacles located at one side of the box, h) and including a handle pivotally attached to the box and protectively extending over both of said x 1 ) and x 2 ) receptacles.
Claim 22
Dependent Claim
186 words
A graphic arts work center comprising a) a box having a bottom wall, upright side walls, and an associated frame, b) a light diffuser plate carried by the frame to overlie the bottom wall and define therewith an illumination space, c) illumination means in said space to illuminate the underside of the diffuser plate, d) and a cover retained by the box to overlie said plate and to be upwardly removable to expose said plate for transmitting light to work placed over the plate, e) the box having auxiliary receptacle means for storage of equipment usable in conjunction with use of said work placed over the plate, f) said receptacle means including at least one of the following: x 1 ) a tool receptacle at one side of the box, x 2 ) an electrical power cord receptacle at one side of the box, g) said x 1 ) and x 2 ) receptacles located at one side of the box, h) and including a handle pivotally attached to the box and protectively extending over both of said x 1 ) and x 2 ) receptacles.
Claim 23
Dependent Claim
21 words
The combination of claim 15 wherein the handle forms with the box a hand grip space between two of said receptacles.
Claim 24
Dependent Claim
34 words
The combination of claim 4 wherein the frame includes multiple stretches which are removably attached together to define a rectangle, the stretches separable from the periphery of the diffuser plate to allow plate replacement.
Claim 25
Dependent Claim
185 words
A graphic arts work center comprising a) a box having a bottom wall, upright side walls, and an associated frame, b) a light diffuser plate carried by the frame to overlie the bottom wall and define therewith an illumination space, c) illumination means in said space to illuminate the underside of the diffuser plate, d) and a cover retained by the box to overlie said plate and to be upwardly removable to expose said plate for transmitting light to work placed over the plate, e) the box having auxiliary receptacle means for storage of equipment usable in conjunction with use of said work placed over the plate, f) said frame being rectangular and defining first grooving facing laterally for receiving rectangular peripheral portions of said plate, the frame also defining second grooving facing upwardly for compressively and removably receiving peripheral edge portions of the cover, g) and wherein the cover includes a wall extending over the diffuser plate, and a skirt defining said peripheral edge portions of the cover, there being storage space between said cover wall and said diffuser plate, inwardly of said skirt.
Claim 26
Dependent Claim
185 words
A graphic arts work center comprising a) a box having a bottom wall, upright side walls, and an associated frame, b) a light diffuser plate carried by the frame to overlie the bottom wall and define therewith an illumination space, c) illumination means in said space to illuminate the underside of the diffuser plate, d) and a cover retained by the box to overlie said plate and to be upwardly removable to expose said plate for transmitting light to work placed over the plate, e) the box having auxiliary receptacle means for storage of equipment usable in conjunction with use of said work placed over the plate, f) said frame being rectangular and defining first grooving facing laterally for receiving rectangular peripheral portions of said plate, the frame also defining second grooving facing upwardly for compressively and removably receiving peripheral edge portions of the cover, g) and wherein the cover includes a wall extending over the diffuser plate, and a skirt defining said peripheral edge portions of the cover, there being storage space between said cover wall and said diffuser plate, inwardly of said skirt.
Claim 27
Dependent Claim
180 words
A graphic arts work center comprising a) a box having a bottom wall, upright side walls, and an associated frame, b) a light diffuser plate carried by the frame to overlie the bottom wall and define therewith an illumination space, c) illumination means in said space to illuminate the underside of the diffuser plate, d) and a cover retained by the box to overlie said plate and to be upwardly removable to expose said plate for transmitting light to work placed over the plate, e) the box having auxiliary receptacle means for storage of equipment usable in conjunction with use of said work placed over the plate, f) said frame being rectangular and defining first grooving facing laterally for receiving rectangular peripheral portions of said plate, the frame also defining second grooving facing upwardly for compressively and removably receiving peripheral edge portions of the cover, g) and wherein the box defines a re-entrant ledge below the top levels of the box side walls, and located inwardly of said side walls, the frame supported by said ledge and removably attached thereto.
Claim 28
Dependent Claim
180 words
A graphic arts work center comprising a) a box having a bottom wall, upright side walls, and an associated frame, b) a light diffuser plate carried by the frame to overlie the bottom wall and define therewith an illumination space, c) illumination means in said space to illuminate the underside of the diffuser plate, d) and a cover retained by the box to overlie said plate and to be upwardly removable to expose said plate for transmitting light to work placed over the plate, e) the box having auxiliary receptacle means for storage of equipment usable in conjunction with use of said work placed over the plate, f) said frame being rectangular and defining first grooving facing laterally for receiving rectangular peripheral portions of said plate, the frame also defining second grooving facing upwardly for compressively and removably receiving peripheral edge portions of the cover, g) and wherein the box defines a re-entrant ledge below the top levels of the box side walls, and located inwardly of said side walls, the frame supported by said ledge and removably attached thereto.
Claim 29
Dependent Claim
20 words
The combination of claim 1 including means associated with a box wall to hang the box from an upright wall.
Claim 30
Dependent Claim
57 words
The combination of claim 2 including a storage means associated with said assembly for storing one or more of the following: power cord, pencils, pen, knife, eraser, other tools, paper, transparencies, drawings, sketches, notes, small books, paper clips, etc., when the graphic arts work center is in use, or is not in use, or is being transported.
Claim 31
Dependent Claim
33 words
The combination of claim 1 including an inclination adjustment means carried by the assembly for varying the angle of the light diffuser plate from a horizontally flat position to a substantially vertical position.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-05-03 | 1996-11-02 | 1997-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-05-03 | 2000-11-02 | 2001-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-05-03 | 2004-11-02 | 2005-05-04 | $7700.00 | Window Closed / Lapsed |