Patent US2644550A successfully refreshed from Google Patents.
US2644550A
Expired / Lapsed
US
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Overdrive transmission
Assignee: Borg Warner Corp
•
Filing: 1948-12-03
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Granted: 1953-07-07
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Expires: 1968-12-03
Abstract
No abstract record available.
Inventors
- 👤 George E Flinn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:24
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/02; F16H61/0202; F16H2716/00; F16H2716/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US665450A
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US1077984A
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US2201118A
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US2330407A
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US2339967A
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US2254115A
Cited
US2319226A
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US2334402A
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US2445561A
Cited
US2404980A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-06 | 1957-01-05 | 1957-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-06 | 1961-01-05 | 1961-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-06 | 1965-01-05 | 1965-07-07 | $7700.00 | Window Closed / Lapsed |