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Patent US2898963A successfully refreshed from Google Patents.
US2898963A
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Nut locking mechanism with threaded pawl manipulating sleeve
Assignee: Weatherhead Co
•
Filing: 1953-09-17
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Granted: 1959-08-11
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Expires: 1973-09-17
Abstract
No abstract record available.
Inventors
- 👤 Louis B Courtot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:53
CPC Classifications
F; F16; F16L; F16L29/00; F16L29/04; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/95
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-10 | 1963-02-09 | 1963-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-10 | 1967-02-09 | 1967-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-10 | 1971-02-09 | 1971-08-11 | $7700.00 | Window Closed / Lapsed |