US3534908A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable geometry nozzle
Assignee: Boeing North American Inc
•
Filing: 1967-11-02
•
Granted: 1970-10-20
•
Expires: 1987-11-02
Abstract
No abstract record available.
Inventors
- 👤 Arthur A Coleman
- 👤 John M Holland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:54
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/80; F02K9/86; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
CA593849A
Cited
US2569996A
Cited
US2603062A
Cited
US2880577A
Cited
US2935841A
Cited
US3244199A
Cited
US3174688A
Cited
US3229457A
Cited
US3237402A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-19 | 1974-04-20 | 1974-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-19 | 1978-04-20 | 1978-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-19 | 1982-04-20 | 1982-10-20 | $7700.00 | Window Closed / Lapsed |