Patent US3029856A successfully refreshed from Google Patents.
US3029856A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lock nut with displaced thread portion
Assignee: Grip Nut Co
•
Filing: 1956-08-14
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Granted: 1962-04-17
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Expires: 1976-08-14
Abstract
No abstract record available.
Inventors
- 👤 Gail C Abbott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:44
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/22; F16B39/28; F16B39/284; F16B37/00; F16B37/14; F16B39/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US550898A
Cited
US1660455A
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US1519125A
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US1692497A
Cited
US2679879A
Cited
US2592128A
Cited
US2519417A
Cited
US2754871A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |