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Patent US2763159A successfully refreshed from Google Patents.
US2763159A
Expired / Lapsed
US
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Air assist gear shift
Assignee: Dana Inc
•
Filing: 1955-05-04
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Granted: 1956-09-18
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Expires: 1975-05-04
Abstract
No abstract record available.
Inventors
- 👤 Elmer J Barth
- 👤 Carl J Gustafsson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:37
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/26; F16H61/28; F16H61/30; F16H2061/301; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19251
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2227273A
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US2339697A
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US2323878A
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US2554313A
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US2432712A
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US2520734A
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US2664980A
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US2679763A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-18 | 1960-03-19 | 1960-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-18 | 1964-03-19 | 1964-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-18 | 1968-03-19 | 1968-09-18 | $7700.00 | Window Closed / Lapsed |