Patent US4354496A successfully refreshed from Google Patents.
Patent US2815787A successfully refreshed from Google Patents.
US2815787A
Expired / Lapsed
US
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Threaded fastener with locking insert having projection and recess engaging means
Assignee: Individual
•
Filing: 1954-08-30
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Granted: 1957-12-10
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Expires: 1974-08-30
Abstract
No abstract record available.
Inventors
- 👤 Howard I Podell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:22
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/22; F16B39/28; F16B39/34; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/947
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US248975A
Cited
US1495687A
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US2159866A
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US2425104A
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US2378610A
Cited
US2348308A
Cited
US2533894A
Cited
US2668966A
Cited
US2663344A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-09 | 1961-06-10 | 1961-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-09 | 1965-06-10 | 1965-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-09 | 1969-06-10 | 1969-12-10 | $7700.00 | Window Closed / Lapsed |