US2862481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Addition of flame moderators to combustion chambers
Assignee: Motors Liquidation Co
•
Filing: 1953-02-11
•
Granted: 1958-12-02
•
Expires: 1973-02-11
Abstract
No abstract record available.
Inventors
- 👤 Fred G Rounds
- 👤 Ralph E Schwind
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:51
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/20; C10L1/201; Y; Y10; Y10S; Y10S48/00; Y10S48/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US54978A
Cited
US1930129A
Cited
US1926396A
Cited
US2005705A
Cited
US1970562A
Cited
US2005708A
Cited
US2281598A
Cited
US2277749A
Cited
US2440800A
Cited
US2603663A
Cited
US2644845A
Cited
US2551639A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |