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US2955888A
Expired / Lapsed
US
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Detachable extension table top
Assignee: Individual
•
Filing: 1958-10-16
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Granted: 1960-10-11
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Expires: 1978-10-16
Abstract
No abstract record available.
Inventors
- 👤 Alfreda E Graves
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:34
CPC Classifications
A; A47; A47B; A47B1/00; A47B1/04; A47B1/05; A47B1/056
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US347358A
Cited
US751221A
Cited
US1524767A
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US2555545A
Cited
US2553082A
Cited
US2595845A
Cited
US2707663A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-11 | 1964-04-11 | 1964-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-11 | 1968-04-11 | 1968-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-11 | 1972-04-11 | 1972-10-11 | $7700.00 | Window Closed / Lapsed |