Patent US2603945A successfully refreshed from Google Patents.
US2603945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet engine with afterburner
Assignee: Individual
•
Filing: 1949-06-14
•
Granted: 1952-07-22
•
Expires: 1969-06-14
Abstract
No abstract record available.
Inventors
- 👤 Charles R Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:56
CPC Classifications
F; F02; F02K; F02K7/00; F02K7/10; F02K7/20; F02K3/00; F02K3/08; F02K3/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US979513A
Cited
US1674130A
Cited
US2095728A
Cited
US2396568A
Cited
GB588085A
Cited
US2504422A
Cited
US2516910A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-22 | 1956-01-21 | 1956-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-22 | 1960-01-21 | 1960-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-22 | 1964-01-21 | 1964-07-22 | $7700.00 | Window Closed / Lapsed |