US3427698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rocket nozzle
Assignee: Chandler Evans Inc
•
Filing: 1965-11-26
•
Granted: 1969-02-18
•
Expires: 1985-11-26
Abstract
No abstract record available.
Inventors
- 👤 Edmund A Guzewicz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:27
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/42; F02K9/60; F02K9/62; C; C23; C23C; C23C4/00; C23C4/18; C23C4/185; F02K9/97; C22; C22C; C22C2204/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49346
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2706382A
Cited
US2836884A
Cited
US2956399A
Cited
US3075066A
Cited
US3016311A
Cited
US2997413A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |