Patent US1232456A successfully refreshed from Google Patents.
US2917104A
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US
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Adjustable chair
Assignee: MARTIN RICHTEL
•
Filing: 1957-04-18
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Granted: 1959-12-15
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Expires: 1977-04-18
Abstract
No abstract record available.
Inventors
- 👤 Francis M Cottle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:23
CPC Classifications
A; A47; A47C; A47C3/00; A47C3/20; A47C3/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US400033A
Cited
US1230187A
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US1345785A
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US1405632A
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US1922418A
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US2073065A
Cited
US2546871A
Cited
US2722970A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-14 | 1963-06-15 | 1963-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-14 | 1967-06-15 | 1967-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-14 | 1971-06-15 | 1971-12-15 | $7700.00 | Window Closed / Lapsed |