US2958591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gasoline containing dimethyl formamide and boron compound as antiicing additive
Assignee: Standard Oil Co
•
Filing: 1957-11-12
•
Granted: 1960-11-01
•
Expires: 1977-11-12
Abstract
No abstract record available.
Inventors
- 👤 Jones Arthur Letcher
- 👤 Jr Wilfred B Howsmon
- 👤 Everett C Hughes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:15
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/222; C10L1/224; C10L1/30; C10L1/301; C10L1/303
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
28 words
A MOTOR GASOLINE TO WHICH HAS BEEN ADDED 0.01 TO 0.1% BY WEIGHT DIMETHYLFORMAMIDE AND 0.025 TO 0.1% BY WEIGHT OF A BORON COMPOUND HAVING THE FOLLOWING FORMULA:
Claim 2
Dependent Claim
28 words
A MOTOR GASOLINE TO WHICH HAS BEEN ADDED 0.01 TO 0.1% BY WEIGHT DIMETHYLFORMAMIDE AND 0.025 TO 0.1% BY WEIGHT OF A BORON COMPOUND HAVING THE FOLLOWING FORMULA:
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-01 | 1964-05-02 | 1964-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-01 | 1968-05-02 | 1968-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-01 | 1972-05-02 | 1972-11-01 | $7700.00 | Window Closed / Lapsed |