US2787172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control mechanism for a power transmission, including a hydraulic torque converter and a reversing gear
Assignee: Rolls Royce Solutions GmbH
•
Filing: 1955-05-10
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Granted: 1957-04-02
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Expires: 1975-05-10
Abstract
No abstract record available.
Inventors
- 👤 Gros Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:20
CPC Classifications
F; F16; F16H; F16H47/00; F16H47/06; F16H61/00; F16H61/38; F16H61/48; F16H61/50; F16H61/52; F16H61/54; Y; Y10; Y10S; Y10S74/00; Y10S74/02; Y10T; Y10T74/00; Y10T74/19; Y10T74/19149; Y10T74/19158; Y10T74/19163; 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)
USRE19428E
Cited
US1667565A
Cited
US1900118A
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US2084219A
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US2333253A
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US2352483A
Cited
US2699236A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-01 | 1960-10-01 | 1961-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-01 | 1964-10-01 | 1965-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-01 | 1968-10-01 | 1969-04-02 | $7700.00 | Window Closed / Lapsed |