US3396536A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic transmission
Assignee: Cessna Aircraft Co
•
Filing: 1966-08-08
•
Granted: 1968-08-13
•
Expires: 1986-08-08
Abstract
No abstract record available.
Inventors
- 👤 Wendell E Miller
- 👤 Norman L Walter
- 👤 Richard K Tessmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:56
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/38; F16H61/40; F16H61/4165; F04; F04B; F04B1/00; F04B1/12; F04B1/20; F04B1/2014; F04B1/2064; F04B1/26; F04B1/30; F04B1/32; F04B1/324; F04B23/00; F04B23/04; F04B23/08; F04B23/10; F04B23/106; F04B23/14; F16H39/00; F16H61/4078; F16H61/4139; F16H61/42; F16H61/433; Y; Y10; Y10S; Y10S60/00; Y10S60/912
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2769393A
Cited
US2780170A
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US2874533A
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US3089426A
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US3108544A
Cited
US3230699A
Cited
US3291067A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-13 | 1972-02-12 | 1972-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-13 | 1976-02-12 | 1976-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-13 | 1980-02-12 | 1980-08-13 | $7700.00 | Window Closed / Lapsed |