US2862673A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for automatically tensioning paying out or hauling in rope on a hoisting drum
Assignee: MCKIERNAN TERRY CORP
•
Filing: 1956-03-01
•
Granted: 1958-12-02
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Expires: 1976-03-01
Abstract
No abstract record available.
Inventors
- 👤 John C Smaltz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:31
CPC Classifications
B; B66; B66D; B66D1/00; B66D1/28; B66D1/36; B66D2700/00; B66D2700/01; B66D2700/0183; B66D2700/0191
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1093390A
Cited
US1763023A
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US1616833A
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US2279853A
Cited
US2247004A
Cited
US2367041A
Cited
US2699854A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |