Patent US2611239A successfully refreshed from Google Patents.
US2611239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel and combustion supporting medium control for turbine engine starters using excess fuel for cooling
Assignee: Avco Manufacturing Corp
•
Filing: 1949-03-18
•
Granted: 1952-09-23
•
Expires: 1969-03-18
Abstract
No abstract record available.
Inventors
- 👤 Arthur T Briggs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:15
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/26; F02C7/268; F02C7/275; F02C7/277; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1052588A
Cited
US2154572A
Cited
US2392565A
Cited
GB616695A
Cited
US2531761A
Cited
US2511385A
Cited
US2442954A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-23 | 1956-03-24 | 1956-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-23 | 1960-03-24 | 1960-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-23 | 1964-03-24 | 1964-09-23 | $7700.00 | Window Closed / Lapsed |