US2728192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combustion chamber for gas generation provided with cooling means and a system for operating the same
Assignee: Aerojet Rocketdyne Inc
•
Filing: 1945-06-20
•
Granted: 1955-12-27
•
Expires: 1965-06-20
Abstract
No abstract record available.
Inventors
- 👤 Chandler C Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:25
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/42; F02K9/60; F02K9/62; F02K9/64; C; C10; C10J; C10J3/00; C10J3/02; C10J3/20; C10J3/22; C10J3/24; C10J3/26; C10J3/72; C10J3/723; C10J3/74; C10J3/76; C10J3/78; C10J3/80; F22; F22G; F22G5/00; F22G5/12; C10J2200/00; C10J2200/15; C10J2200/152; C10J2200/154; C10J2300/00; C10J2300/16; C10J2300/164; C10J2300/1656; C10J2300/1668; C10J2300/1671
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-26 | 1959-06-27 | 1959-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-26 | 1963-06-27 | 1963-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-26 | 1967-06-27 | 1967-12-27 | $7700.00 | Window Closed / Lapsed |