US2689490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission
Assignee: Borg Warner Corp
•
Filing: 1951-07-31
•
Granted: 1954-09-21
•
Expires: 1971-07-31
Abstract
No abstract record available.
Inventors
- 👤 John W Holdeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:04
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/44; F16H3/62; F16H3/66; F16H3/663; F16H2200/00; F16H2200/20; F16H2200/2002; F16H2200/2007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US782547A
Cited
US1404675A
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US2127655A
Cited
US2164729A
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US2395459A
Cited
US2551746A
Cited
US2546378A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-20 | 1958-03-22 | 1958-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-20 | 1962-03-22 | 1962-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-20 | 1966-03-22 | 1966-09-21 | $7700.00 | Window Closed / Lapsed |