Patent US2723711A successfully refreshed from Google Patents.
US2723711A
Expired / Lapsed
US
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Adjustable seat having a latch construction
Assignee: American Forging and Socket Co
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Filing: 1952-08-05
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Granted: 1955-11-15
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Expires: 1972-08-05
Abstract
No abstract record available.
Inventors
- 👤 Charles R Duncan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:06
CPC Classifications
A; A47; A47C; A47C1/00; A47C1/02; A47C1/022; A47C1/023
Claims Analysis
Total Claims: 0
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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) | 1958-11-14 | 1959-05-16 | 1959-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-14 | 1963-05-16 | 1963-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-14 | 1967-05-16 | 1967-11-15 | $7700.00 | Window Closed / Lapsed |