US2305673A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of gasoline
Assignee: Universal Oil Products Co
•
Filing: 1940-02-29
•
Granted: 1942-12-22
•
Expires: 1960-02-29
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Chenieck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:27
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/182; C10L1/183; C10L1/1832; C10L1/185; C10L1/1852; C10L1/22; C10L1/222; C10L1/2222; C10L1/2225; C10L1/223; C10L1/2235
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) | 1945-12-21 | 1946-06-22 | 1946-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-12-21 | 1950-06-22 | 1950-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-12-21 | 1954-06-22 | 1954-12-22 | $7700.00 | Window Closed / Lapsed |