US3470771A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission and auxiliary throttle control having a safety interlock
Assignee: Boeing North American Inc
•
Filing: 1968-01-30
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Granted: 1969-10-07
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Expires: 1988-01-30
Abstract
No abstract record available.
Inventors
- 👤 Richard D Houk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:37
CPC Classifications
G; G05; G05G; G05G5/00; G05G5/06; G05G5/08; F; F16; F16H; F16H59/00; F16K; F16K31/00; F16K31/44; F16H2700/00; F16H2700/06; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20012; Y10T74/20018; Y10T74/20085; Y10T74/20104
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-06 | 1973-04-07 | 1973-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-06 | 1977-04-07 | 1977-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-06 | 1981-04-07 | 1981-10-07 | $7700.00 | Window Closed / Lapsed |