Patent US2511039A successfully refreshed from Google Patents.
US2511039A
Expired / Lapsed
US
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Power transmission
Assignee: Twin Disc Inc
•
Filing: 1948-03-05
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Granted: 1950-06-13
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Expires: 1968-03-05
Abstract
No abstract record available.
Inventors
- 👤 James B Black
- 👤 Wilbur F Shurts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:29
CPC Classifications
F; F16; F16H; F16H47/00; F16H47/06; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87048; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19037; Y10T74/19219; Y10T74/19377; Y10T74/19386; Y10T74/194; Y10T74/19414; Y10T74/19419; Y10T74/19423; Y10T74/19428; Y10T74/19433
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1137804A
Cited
US1759558A
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US1900119A
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US2241764A
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US2226802A
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US2386217A
Cited
FR867896A
Cited
US2449586A
Cited
US2397883A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-12 | 1953-12-12 | 1954-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-12 | 1957-12-12 | 1958-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-12 | 1961-12-12 | 1962-06-13 | $7700.00 | Window Closed / Lapsed |