Patent US2385851A successfully refreshed from Google Patents.
US2385851A
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US
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Nut
Assignee: Elastic Stop Nut Corp
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Filing: 1938-05-24
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Granted: 1945-10-02
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Expires: 1958-05-24
Abstract
No abstract record available.
Inventors
- 👤 Carl A Swanstrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:42
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/22; F16B39/28; F16B39/34; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/947; Y10S411/955; Y10S411/965; Y10S411/971
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1948-10-01 | 1949-04-02 | 1949-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-10-01 | 1953-04-02 | 1953-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-10-01 | 1957-04-02 | 1957-10-02 | $7700.00 | Window Closed / Lapsed |