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Patent US3181920A successfully refreshed from Google Patents.
US3181920A
Expired / Lapsed
US
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Carrel-desk structure
Assignee: HOWE FOLDING FURNITURE Inc
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Filing: 1963-03-15
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Granted: 1965-05-04
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Expires: 1983-03-15
Abstract
No abstract record available.
Inventors
- 👤 Burr Alan Carleton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:47
CPC Classifications
A; A47; A47B; A47B41/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A FOLDING STRUCTURE ADAPTED FOR USE AS A CARREL COMPRISING, A TOP, A BACK, SUPPORT MEANS FOR THE TOP AND BACK AND PARTITION MEMBERS HINGED ON THE TOP, AND MEANS FOR INTER-RELATING THE TOP PARTITION MEMBERS, BACK AND SUPPORT MEANS FOR MOVEMENT OF THE PARTITION MEMBERS BACK AND SUPPORT MEANS BETWEEN AN OPERATIVE POSITION IN WHICH THE PARTITION MEMBERS, THE SUPPORT MEANS AND THE BACK ARE SUBSTANTIALLY NORMAL TO THE TOP AND THE PARTITION MEMBERS ARE ALSO NORMAL TO THE BACK, AND A POSITION IN WHICH THE TOP PARTITION MEMBERS, BACK AND SUPPORT MEANS ARE DISPOSED IN ADJACENT AND SUBSTANTIALLY PARALLEL PLANES.
Claim 2
Dependent Claim
102 words
A FOLDING STRUCTURE ADAPTED FOR USE AS A CARREL COMPRISING, A TOP, A BACK, SUPPORT MEANS FOR THE TOP AND BACK AND PARTITION MEMBERS HINGED ON THE TOP, AND MEANS FOR INTER-RELATING THE TOP PARTITION MEMBERS, BACK AND SUPPORT MEANS FOR MOVEMENT OF THE PARTITION MEMBERS BACK AND SUPPORT MEANS BETWEEN AN OPERATIVE POSITION IN WHICH THE PARTITION MEMBERS, THE SUPPORT MEANS AND THE BACK ARE SUBSTANTIALLY NORMAL TO THE TOP AND THE PARTITION MEMBERS ARE ALSO NORMAL TO THE BACK, AND A POSITION IN WHICH THE TOP PARTITION MEMBERS, BACK AND SUPPORT MEANS ARE DISPOSED IN ADJACENT AND SUBSTANTIALLY PARALLEL PLANES.
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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) | 1968-05-03 | 1968-11-02 | 1969-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-03 | 1972-11-02 | 1973-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-03 | 1976-11-02 | 1977-05-04 | $7700.00 | Window Closed / Lapsed |