Patent US4934380A successfully refreshed from Google Patents.
US2935299A
Expired / Lapsed
US
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Clamp nut apparatus
Assignee: Individual
•
Filing: 1957-12-30
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Granted: 1960-05-03
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Expires: 1977-12-30
Abstract
No abstract record available.
Inventors
- 👤 Jansen Gerhart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:05
CPC Classifications
B; B60; B60P; B60P7/00; B60P7/06; B60P7/08; B60P7/0807; B61; B61D; B61D45/00; B61D45/001; E; E04; E04C; E04C5/00; E04C5/08; E04C5/12; E04C5/122; F; F16; F16B; F16B9/00; F16B9/05; F16B9/054; F16B9/056; F16B2200/00; F16B2200/20; Y; Y10; Y10S; Y10S411/00; Y10S411/918; Y10S411/924; Y10S411/929; Y10S411/935
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-03 | 1963-11-02 | 1964-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-03 | 1967-11-02 | 1968-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-03 | 1971-11-02 | 1972-05-03 | $7700.00 | Window Closed / Lapsed |