US2465739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power transmission device
Assignee: DONALD W GREEN
•
Filing: 1943-10-26
•
Granted: 1949-03-29
•
Expires: 1963-10-26
Abstract
No abstract record available.
Inventors
- 👤 Daniel F Mcgill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:09
CPC Classifications
F; F16; F16H; F16H41/00; F16H41/04; F16H47/00; F16H47/06; F16H47/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1199359A
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US2186025A
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US2015300A
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GB450953A
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US2147528A
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US2232101A
Cited
US2204779A
Cited
US2318660A
Cited
US2284123A
Cited
US2319706A
Cited
US2326994A
Cited
US2346365A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-28 | 1952-09-27 | 1953-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-28 | 1956-09-27 | 1957-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-28 | 1960-09-27 | 1961-03-29 | $7700.00 | Window Closed / Lapsed |