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US2948405A
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US
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Assignee: Individual
•
Filing: 1956-12-05
•
Granted: 1960-08-09
•
Expires: 1976-12-05
Abstract
No abstract record available.
Inventors
- 👤 Lester L Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:53
CPC Classifications
A; A47; A47B; A47B61/00; A47B61/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US585431A
Cited
US1164439A
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US1690910A
Cited
US2256996A
Cited
GB614891A
Cited
US2518328A
Cited
US2693884A
Cited
US2720316A
Cited
US2624468A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-09 | 1964-02-08 | 1964-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-09 | 1968-02-08 | 1968-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-09 | 1972-02-08 | 1972-08-09 | $7700.00 | Window Closed / Lapsed |