US2934976A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic plural step ratio transmissions
Assignee: Motors Liquidation Co
•
Filing: 1953-10-22
•
Granted: 1960-05-03
•
Expires: 1973-10-22
Abstract
No abstract record available.
Inventors
- 👤 Walter B Herndon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:06
CPC Classifications
F; F16; F16D; F16D67/00; Y; Y10; Y10S; Y10S74/00; Y10S74/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2351213A
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US2365879A
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US2322251A
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US2378085A
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US2664765A
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US2515831A
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US2544542A
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US2707887A
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US2687657A
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US2645135A
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US2749767A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-03 | 1963-11-02 | 1964-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-03 | 1967-11-02 | 1968-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-03 | 1971-11-02 | 1972-05-03 | $7700.00 | Window Closed / Lapsed |