US3526153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Neutral indicating and ignition switching means in a control mechanism for a dual hydraulic transmission
Assignee: Unisys Corp
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Filing: 1969-04-14
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Granted: 1970-09-01
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Expires: 1989-04-14
Abstract
No abstract record available.
Inventors
- 👤 Edmund O Howell
- 👤 Charles B Adams
- 👤 Bruce D Schwalm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:27
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/38; F16H61/40; F16H61/42; B; B62; B62D; B62D11/00; B62D11/02; B62D11/06; B62D11/10; B62D11/14; B62D11/18; B62D11/183; F16H61/439; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20012; Y10T74/20396
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3181389A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-31 | 1974-03-02 | 1974-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-31 | 1978-03-02 | 1978-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-31 | 1982-03-02 | 1982-09-01 | $7700.00 | Window Closed / Lapsed |