US4117781A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Utility desk
Assignee: TCM Corp
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Filing: 1977-07-05
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Granted: 1978-10-03
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Expires: 1997-07-05
Abstract
Abstract A portable utility desk for bed-patient and other uses including a flat, rectangular surface having a semicircular notch on one side thereof for adapting to the body of the user and providing for attachment of legs to the surface to be usable in a multiplicity of positions and further providing a book-holder structure for holding a book in stationary position on the flat surface.
Inventors
- 👤 Charles A. Middleton
- 👤 Trudy B. Middleton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:36
CPC Classifications
A; A47; A47B; A47B23/00; A47B23/04; A47B2023/048
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
228 words
A portable utility desk, usable in a multiplicity of positions, including: (a) a generally-rectangular, substantially-flat table member having a notch midway along an edge of said table member; (b) a positionally adjustable leg member; (c) first mechanical means for detachably connecting said leg member to said table member; (d) a book support member on said table member above said notch, said book-support member including second mechanical means for preventing a book on said table member from sliding or falling; (e) third mechanical means for preventing the pages of a book on said table from turning; (f) a first and second longitudinal frame member, each said frame member having an L-shaped cross-section; (g) said table member having first and second opposed edges approximately the length of said first and second frame members; (h) said first edge abutting the internal angle of said first frame member and said second edge abutting the internal angle of said second frame member; (i) a third edge of said table member having said notch situated midway along said third edge; (j) a first and second transverse book support bar between said frame members and adjacent said table member above said notch, and mechanical connector means for detachably connecting the ends of said book support bars to said frame members; and (k) a pair of elastic bands around said book support bars and stretched therebetween.
Claim 2
Dependent Claim
228 words
A portable utility desk, usable in a multiplicity of positions, including: (a) a generally-rectangular, substantially-flat table member having a notch midway along an edge of said table member; (b) a positionally adjustable leg member; (c) first mechanical means for detachably connecting said leg member to said table member; (d) a book support member on said table member above said notch, said book-support member including second mechanical means for preventing a book on said table member from sliding or falling; (e) third mechanical means for preventing the pages of a book on said table from turning; (f) a first and second longitudinal frame member, each said frame member having an L-shaped cross-section; (g) said table member having first and second opposed edges approximately the length of said first and second frame members; (h) said first edge abutting the internal angle of said first frame member and said second edge abutting the internal angle of said second frame member; (i) a third edge of said table member having said notch situated midway along said third edge; (j) a first and second transverse book support bar between said frame members and adjacent said table member above said notch, and mechanical connector means for detachably connecting the ends of said book support bars to said frame members; and (k) a pair of elastic bands around said book support bars and stretched therebetween.
Claim 3
Dependent Claim
12 words
The utility desk of claim 1 wherein said notch is substantially semi-circular.
Claim 4
Dependent Claim
22 words
The utility desk of claim 2 wherein said notch has a radius of more than 6 inches and less than 10 inches.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-10-02 | 1982-04-03 | 1982-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-10-02 | 1986-04-03 | 1986-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-10-02 | 1990-04-03 | 1990-10-03 | $7700.00 | Window Closed / Lapsed |