Patent US2503497A successfully refreshed from Google Patents.
US2503497A
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US
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Transmission
Assignee: Borg Warner Corp
•
Filing: 1947-07-18
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Granted: 1950-04-11
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Expires: 1967-07-18
Abstract
No abstract record available.
Inventors
- 👤 May Braudice Byron Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:41
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/44; F16H3/62; F16H3/66
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US992321A
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US662306A
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US658620A
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US723758A
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FR368544A
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US1404675A
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GB355895A
Cited
GB367079A
Cited
US2127655A
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US2177951A
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US2164729A
Cited
US2399657A
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US2324713A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-10 | 1953-10-10 | 1954-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-10 | 1957-10-10 | 1958-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-10 | 1961-10-10 | 1962-04-11 | $7700.00 | Window Closed / Lapsed |