US1527504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aeroplane motor fuel
Assignee: US Industrial Alcohol Co
•
Filing: 1918-06-25
•
Granted: 1925-02-24
•
Expires: 1938-06-25
Abstract
No abstract record available.
Inventors
- 👤 Arthur A Backhaus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:54
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/16; C10L1/1616; C10L1/18; C10L1/182; C10L1/1822
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) | 1928-02-24 | 1928-08-25 | 1929-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-02-24 | 1932-08-25 | 1933-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-02-24 | 1936-08-25 | 1937-02-24 | $7700.00 | Window Closed / Lapsed |