US1761810A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of treating gasoline and the product thereof
Assignee: Doherty Research Co
•
Filing: 1926-07-30
•
Granted: 1930-06-03
•
Expires: 1946-07-30
Abstract
No abstract record available.
Inventors
- 👤 August P Bjerregaard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:41
CPC Classifications
C; C10; C10G; C10G19/00; C10G19/02; C10G19/06; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/16; C10L1/1608; C10L1/18; C10L1/182; C10L1/183; C10L1/1832; C10L1/185; C10L1/1857
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) | 1933-06-02 | 1933-12-02 | 1934-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-06-02 | 1937-12-02 | 1938-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-06-02 | 1941-12-02 | 1942-06-03 | $7700.00 | Window Closed / Lapsed |