Patent US2839894A successfully refreshed from Google Patents.
US2839894A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Supporting arrangement for a gas turbine combustion chamber
Assignee: Motors Liquidation Co
•
Filing: 1952-12-31
•
Granted: 1958-06-24
•
Expires: 1972-12-31
Abstract
No abstract record available.
Inventors
- 👤 Leroy W Shutts
- 👤 Charles F Hayes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:26
CPC Classifications
F; F23; F23R; F23R3/00; F23R3/42; F23R3/60
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1491423A
Cited
US2268464A
Cited
US2614384A
Cited
US2511432A
Cited
US2494821A
Cited
US2610467A
Cited
US2615300A
Cited
US2603064A
Cited
US2529955A
Cited
US2632997A
Cited
US2547619A
Cited
US2609040A
Cited
US2609663A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-23 | 1961-12-23 | 1962-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-23 | 1965-12-23 | 1966-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-23 | 1969-12-23 | 1970-06-24 | $7700.00 | Window Closed / Lapsed |