US1925048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel composition and method of producing the same
Assignee: Individual
•
Filing: 1932-02-23
•
Granted: 1933-08-29
•
Expires: 1952-02-23
Abstract
No abstract record available.
Inventors
- 👤 Earl C Hennen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 16:54
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/16; C10L1/1608; C10L1/1616; C10L1/18; C10L1/1802; C10L1/185; C10L1/1857; C10L1/19; C10L1/22; C10L1/23; C10L1/231
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1936-08-28 | 1937-02-27 | 1937-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-08-28 | 1941-02-27 | 1941-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-08-28 | 1945-02-27 | 1945-08-29 | $7700.00 | Window Closed / Lapsed |