Patent US2825379A successfully refreshed from Google Patents.
US2825379A
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US
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Cylindrical nut with spring arm retainer
Assignee: United Carr Fastener Corp
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Filing: 1951-11-23
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Granted: 1958-03-04
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Expires: 1971-11-23
Abstract
No abstract record available.
Inventors
- 👤 Philip D Becker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:56
CPC Classifications
F; F16; F16B; F16B37/00; F16B37/04; F16B37/045; F16B37/047; F16B5/00; F16B5/02; F16B5/0291; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965; Y10S411/97
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1139819A
Cited
US1671757A
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US2391046A
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US2326285A
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US2336319A
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US2596056A
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US2705663A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-03 | 1961-09-02 | 1962-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-03 | 1965-09-02 | 1966-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-03 | 1969-09-02 | 1970-03-04 | $7700.00 | Window Closed / Lapsed |