Patent DE2931466C2 successfully refreshed from Google Patents.
US3083995A
Expired / Lapsed
US
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Folding chair
Assignee: Grumman Corp
•
Filing: 1958-11-03
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Granted: 1963-04-02
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Expires: 1978-11-03
Abstract
No abstract record available.
Inventors
- 👤 Robert W Bradshaw
- 👤 Robert J Fitzpatrick
- 👤 Jr John Teufel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:38
CPC Classifications
A; A47; A47C; A47C4/00; A47C4/28; A47C4/32; A47C4/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
IN A FOLDING CHAIR, A JOINT STRUCTURE FOR THE CHAIR BACK, SEAT AND A REAR LEG, COMPRISING A SIDE STRUCTURAL SEAT ELEMENT, A FORK FIXED TO THE BACK AND STRADDLING THE SAID SEAT ELEMENT, A PIVOT PASSING THROUGH THE FORK AND SEAT ELEMENT AND MAINTAINING THE OUTER FORK ELEMENT IN SPACED RELATION TO THE SEAT ELEMENT, A REAR LEG AND A PIVOT PASSING THROUGH THE INNER FORK ELEMENT AND THE UPPER END OF THE LEG FOR PIVOTING THE LEG TO THE BACK, A LINK, A SECOND PIVOT JOINING THE LINK TO THE SAID SEAT ELEMENT AT A POINT SPACED FROM THE FIRST SAID PIVOT AND A THIRD PIVOT JOINING THE LINK TO THE LEG AT A POINT BELOW THE FIRST SAID
Claim 2
Dependent Claim
121 words
IN A FOLDING CHAIR, A JOINT STRUCTURE FOR THE CHAIR BACK, SEAT AND A REAR LEG, COMPRISING A SIDE STRUCTURAL SEAT ELEMENT, A FORK FIXED TO THE BACK AND STRADDLING THE SAID SEAT ELEMENT, A PIVOT PASSING THROUGH THE FORK AND SEAT ELEMENT AND MAINTAINING THE OUTER FORK ELEMENT IN SPACED RELATION TO THE SEAT ELEMENT, A REAR LEG AND A PIVOT PASSING THROUGH THE INNER FORK ELEMENT AND THE UPPER END OF THE LEG FOR PIVOTING THE LEG TO THE BACK, A LINK, A SECOND PIVOT JOINING THE LINK TO THE SAID SEAT ELEMENT AT A POINT SPACED FROM THE FIRST SAID PIVOT AND A THIRD PIVOT JOINING THE LINK TO THE LEG AT A POINT BELOW THE FIRST SAID
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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) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |