Patent US2753631A successfully refreshed from Google Patents.
US2753631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Knife
Assignee: CHAS D BRIDDELL Inc
•
Filing: 1953-08-13
•
Granted: 1956-07-10
•
Expires: 1973-08-13
Abstract
No abstract record available.
Inventors
- 👤 Paul C Culver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:05
CPC Classifications
B; B26; B26B; B26B3/00; B26B3/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US298829A
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US356452A
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US401181A
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US1217154A
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US1491623A
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US1754543A
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US1876284A
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US2089537A
Cited
US2357646A
Cited
US2479181A
Cited
US2498413A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-10 | 1960-01-09 | 1960-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-10 | 1964-01-09 | 1964-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-10 | 1968-01-09 | 1968-07-10 | $7700.00 | Window Closed / Lapsed |