Patent US2928290A successfully refreshed from Google Patents.
US2928290A
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Hydraulic gear shifting control
Assignee: Giddings and Lewis LLC
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Filing: 1956-08-30
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Granted: 1960-03-15
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Expires: 1976-08-30
Abstract
No abstract record available.
Inventors
- 👤 Everett E Hosea
- 👤 Adrian T Godschalx
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:27
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/02; B; B60; B60K; B60K2702/00; B60K2702/08; B60K2702/10; F16H2708/00; F16H2708/16; Y; Y10; Y10S; Y10S74/00; Y10S74/02; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19284; Y10T74/19377; Y10T74/19414; Y10T74/19419; Y10T74/19423; Y10T74/19428; Y10T74/19433; Y10T74/19437
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1588004A
Cited
US2110173A
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US2164884A
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US2167790A
Cited
US2557324A
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US2529067A
Cited
US2782891A
Cited
US2782651A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-15 | 1963-09-14 | 1964-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-15 | 1967-09-14 | 1968-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-15 | 1971-09-14 | 1972-03-15 | $7700.00 | Window Closed / Lapsed |