Patent US3567276A successfully refreshed from Google Patents.
US3567276A
Expired / Lapsed
US
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Chair with folding tablet arm
Assignee: American Seating Co
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Filing: 1969-03-24
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Granted: 1971-03-02
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Expires: 1989-03-24
Abstract
Abstract A CHAIR WITH A FOLDING TABLET ARM ESPECIALLY ADAPTABLE FOR INSTALLATION ON RETRACTABLE BLEACHERS WHERE THE TABLET ARE IS ARRANGED FOR MOVEMENT SERIALLY THROUGH THREE GENERALLY ORTHOGONALLY RELATED QUADRANTS, THE FRAME BEING EQUIPPED WITH LOCK MEANS FOR MAINTAINING THE TABLET ARM IN A STORED POSITION, AND FURTHER SERVING AS A BUMPER WHEN THE CHAIR IS COMPLETELY COLLAPSED AND RETRACTED WITHIN A STORAGE RECESS IN THE BLEACHER.
Inventors
- 👤 Arthur L Van Ryn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:56
CPC Classifications
A; A47; A47C; A47C1/00; A47C1/12; A47C1/126; A47C7/00; A47C7/62; A47C7/68; A47C7/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |