Patent US2158050A successfully refreshed from Google Patents.
US2158050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor fuel
Assignee: Individual
•
Filing: 1937-03-04
•
Granted: 1939-05-16
•
Expires: 1957-03-04
Abstract
No abstract record available.
Inventors
- 👤 Euphime V Bereslavaky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:48
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10G; C10G59/00; C10G59/02; C10L1/22; C10L1/23; C10L1/231; C10L10/00; C10L10/14; C10L1/18; C10L1/1811
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1942-05-15 | 1942-11-14 | 1943-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-05-15 | 1946-11-14 | 1947-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-05-15 | 1950-11-14 | 1951-05-16 | $7700.00 | Window Closed / Lapsed |