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Patent US1965406A successfully refreshed from Google Patents.
US1965406A
Expired / Lapsed
US
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Means for stabilizing reverse gears
Assignee: Franklin Railway Supply Co
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Filing: 1927-11-29
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Granted: 1934-07-03
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Expires: 1947-11-29
Abstract
No abstract record available.
Inventors
- 👤 Edwin De H Caldwell
- 👤 Lawrence S Wilbur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:32
CPC Classifications
F; F01; F01L; F01L29/00; F01L29/04; Y; Y10; Y10T; Y10T74/00; Y10T74/16; Y10T74/1625; Y10T74/1633; Y10T74/21; Y10T74/2173; Y10T74/2183; Y10T74/2184
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) | 1937-07-02 | 1938-01-01 | 1938-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-07-02 | 1942-01-01 | 1942-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-07-02 | 1946-01-01 | 1946-07-03 | $7700.00 | Window Closed / Lapsed |