Patent US2572007A successfully refreshed from Google Patents.
US2572007A
Expired / Lapsed
US
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Variable-speed and torque transmission mechanism
Assignee: Borg Warner Corp
•
Filing: 1946-02-01
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Granted: 1951-10-23
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Expires: 1966-02-01
Abstract
No abstract record available.
Inventors
- 👤 Everett R Burtnett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:00
CPC Classifications
F; F16; F16H; F16H47/00; F16H47/06; F16H47/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2127655A
Cited
US2135246A
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US2162785A
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US2176138A
Cited
US2353905A
Cited
US2324713A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-22 | 1955-04-23 | 1955-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-22 | 1959-04-23 | 1959-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-22 | 1963-04-23 | 1963-10-23 | $7700.00 | Window Closed / Lapsed |