US2479183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power shift and control for changespeed gearings
Assignee: Dana Inc
•
Filing: 1944-10-03
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Granted: 1949-08-16
•
Expires: 1964-10-03
Abstract
No abstract record available.
Inventors
- 👤 Carl D Peterson
- 👤 Albert H Deimel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:32
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/26; F16H61/28; F16H61/30; F16D; F16D67/00; Y; Y10; Y10S; Y10S74/00; Y10S74/02; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19377; Y10T74/19414; Y10T74/19419; Y10T74/19423; Y10T74/19428; Y10T74/19433
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1933740A
Cited
US2016839A
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US2335255A
Cited
US2358846A
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US2353137A
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US2360976A
Cited
US2373453A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-15 | 1953-02-14 | 1953-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-15 | 1957-02-14 | 1957-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-15 | 1961-02-14 | 1961-08-16 | $7700.00 | Window Closed / Lapsed |