Patent EP0176711A1 successfully refreshed from Google Patents.
US2822667A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Propellant feed system
Assignee: Garrett Corp
•
Filing: 1954-02-03
•
Granted: 1958-02-11
•
Expires: 1974-02-03
Abstract
No abstract record available.
Inventors
- 👤 Charles F Drexel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:44
CPC Classifications
F; F02; F02B; F02B43/00; F02K; F02K9/00; F02K9/42; F02K9/44; F02K9/50; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/30
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2531761A
Cited
US2505798A
Cited
US2576984A
Cited
US2701441A
Cited
GB695048A
Cited
US2754657A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-10 | 1961-08-12 | 1962-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-10 | 1965-08-12 | 1966-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-10 | 1969-08-12 | 1970-02-11 | $7700.00 | Window Closed / Lapsed |