US2637510A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trip rope tensioning and releasing device
Assignee: Individual
•
Filing: 1950-08-08
•
Granted: 1953-05-05
•
Expires: 1970-08-08
Abstract
No abstract record available.
Inventors
- 👤 Alfred E Gill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:13
CPC Classifications
B; B66; B66D; B66D1/00; B66D1/28; B66D1/40; B66D1/48; B66D3/00; B66D3/02; B66D2700/00; B66D2700/01; B66D2700/0108; B66D2700/02; B66D2700/021
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1461052A
Cited
US1708755A
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US1786314A
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US1839099A
Cited
US2053976A
Cited
US2025890A
Cited
US2262665A
Cited
US2391141A
Cited
US2481638A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-04 | 1956-11-03 | 1957-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-04 | 1960-11-03 | 1961-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-04 | 1964-11-03 | 1965-05-05 | $7700.00 | Window Closed / Lapsed |