Patent US4722789A successfully refreshed from Google Patents.
US1596580A
Expired / Lapsed
US
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Wear pad for chair seats and the like
Assignee: CHARLES R ENGLISH
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Filing: 1925-08-18
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Granted: 1926-08-17
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Expires: 1945-08-18
Abstract
No abstract record available.
Inventors
- 👤 Clifton O Carver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:42
CPC Classifications
A; A47; A47C; A47C31/00; A47C31/10; A47C31/11
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) | 1929-08-16 | 1930-02-15 | 1930-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-08-16 | 1934-02-15 | 1934-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-08-16 | 1938-02-15 | 1938-08-17 | $7700.00 | Window Closed / Lapsed |