Patent US3024452A successfully refreshed from Google Patents.
US2371574A
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US
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Automatic transmission
Assignee: Borg Warner Corp
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Filing: 1941-04-23
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Granted: 1945-03-13
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Expires: 1961-04-23
Abstract
No abstract record available.
Inventors
- 👤 Benjamin A Swennes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:14
CPC Classifications
F; F16; F16D; F16D67/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1948-03-12 | 1948-09-11 | 1949-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-03-12 | 1952-09-11 | 1953-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-03-12 | 1956-09-11 | 1957-03-13 | $7700.00 | Window Closed / Lapsed |