US3530736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Single lever control
Assignee: Boeing North American Inc
•
Filing: 1968-12-13
•
Granted: 1970-09-29
•
Expires: 1988-12-13
Abstract
No abstract record available.
Inventors
- 👤 Richard D Houk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:35
CPC Classifications
B; B63; B63H; B63H21/00; B63H21/21; B63H21/213; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20012; Y10T74/20576; Y10T74/20582; Y10T74/20612
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2967436A
Cited
US3388609A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-28 | 1974-03-30 | 1974-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-28 | 1978-03-30 | 1978-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-28 | 1982-03-30 | 1982-09-29 | $7700.00 | Window Closed / Lapsed |