Patent US2598052A successfully refreshed from Google Patents.
US2598052A
Expired / Lapsed
US
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Self-locking nut
Assignee: Elastic Stop Nut Corp
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Filing: 1944-09-14
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Granted: 1952-05-27
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Expires: 1964-09-14
Abstract
No abstract record available.
Inventors
- 👤 Hallock Robert Lay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:32
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/22; F16B39/28; F16B39/38; B; B21; B21K; B21K1/00; B21K1/64; B21K1/70; B21K1/707
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US249612A
Cited
US609144A
Cited
US1708040A
Cited
US2102489A
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US2222460A
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US2318398A
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US2318397A
Cited
US2336023A
Cited
US2320032A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-27 | 1955-11-26 | 1956-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-27 | 1959-11-26 | 1960-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-27 | 1963-11-26 | 1964-05-27 | $7700.00 | Window Closed / Lapsed |