Patent US3228838A successfully refreshed from Google Patents.
US3079686A
Expired / Lapsed
US
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Handle construction for sliding blade knives
Assignee: Individual
•
Filing: 1961-12-22
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Granted: 1963-03-05
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Expires: 1981-12-22
Abstract
No abstract record available.
Inventors
- 👤 Earl B Christy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:55
CPC Classifications
B; B26; B26B; B26B1/00; B26B1/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1434388A
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US1507043A
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US2074640A
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US2483750A
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US2662284A
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US2675040A
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US2764308A
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US3009248A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |