US2594330A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas generator
Assignee: Hydrocarbon Research Inc
•
Filing: 1947-05-06
•
Granted: 1952-04-29
•
Expires: 1967-05-06
Abstract
No abstract record available.
Inventors
- 👤 Robert L Mayhew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:51
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/02; C01B3/32; C01B3/34; C01B3/36; C10; C10J; C10J3/00; C10J3/02; C10J3/20; C10J3/72; C10J3/74; C10J3/78; C10J3/86; C10J2300/00; C10J2300/09; C10J2300/0913; C10J2300/093; C10J2300/0946; C10J2300/0953; C10J2300/0959; C10J2300/0973; C10J2300/0976
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) | 1955-04-29 | 1955-10-29 | 1956-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-29 | 1959-10-29 | 1960-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-29 | 1963-10-29 | 1964-04-29 | $7700.00 | Window Closed / Lapsed |