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Patent US2874590A successfully refreshed from Google Patents.
US2874590A
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Two path power flow turbine transmission
Assignee: Borg Warner Corp
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Filing: 1952-03-13
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Granted: 1959-02-24
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Expires: 1972-03-13
Abstract
No abstract record available.
Inventors
- 👤 Donald W Kelbel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:09
CPC Classifications
F; F16; F16H; F16H47/00; F16H47/06; F16H47/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2456328A
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US2372817A
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US2408951A
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US2519022A
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US2606460A
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US2454014A
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US2532897A
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US2547236A
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US2616310A
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US2749773A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-23 | 1962-08-25 | 1963-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-23 | 1966-08-25 | 1967-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-23 | 1970-08-25 | 1971-02-24 | $7700.00 | Window Closed / Lapsed |