US2936625A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-tightening gripping device
Assignee: Individual
•
Filing: 1957-05-08
•
Granted: 1960-05-17
•
Expires: 1977-05-08
Abstract
No abstract record available.
Inventors
- 👤 George W Heiseler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:52
CPC Classifications
F; F16; F16B; F16B7/00; F16B7/20; F16G; F16G11/00; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/929; Y10T; Y10T279/00; Y10T279/17; Y10T279/17128; Y10T279/17136; Y10T279/17153; Y10T403/00; Y10T403/57; Y10T403/5793; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1003973A
Cited
US1167296A
Cited
US1179332A
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US1446144A
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US1630958A
Cited
US2105330A
Cited
US2233539A
Cited
US2604135A
Cited
US2559895A
Cited
US2818253A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-17 | 1963-11-16 | 1964-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-17 | 1967-11-16 | 1968-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-17 | 1971-11-16 | 1972-05-17 | $7700.00 | Window Closed / Lapsed |