US2690201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-locking nut
Assignee: Elastic Stop Nut Corp
•
Filing: 1949-12-20
•
Granted: 1954-09-28
•
Expires: 1969-12-20
Abstract
No abstract record available.
Inventors
- 👤 Charles A Fineran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:03
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/22; F16B39/28; F16B39/36; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/929; Y10S411/935
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1324012A
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US786725A
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US896358A
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CH52769A
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CH77681A
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US1470528A
Cited
GB207907A
Cited
US2266961A
Cited
US2321466A
Cited
US2361979A
Cited
GB563825A
Cited
US2564511A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-27 | 1958-03-29 | 1958-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-27 | 1962-03-29 | 1962-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-27 | 1966-03-29 | 1966-09-28 | $7700.00 | Window Closed / Lapsed |