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Patent US3440029A successfully refreshed from Google Patents.
US3440029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gasoline containing anti-icing additive
Assignee: Dow Chemical Co
•
Filing: 1964-05-20
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Granted: 1969-04-22
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Expires: 1984-05-20
Abstract
No abstract record available.
Inventors
- 👤 John C Little
- 👤 James P West
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:53
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/222; C10L1/2222; C10L1/2225
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
AN IMPROVED GASOLINE MOTOR FUEL COMPOSITION COMPRISING: (1) A MAJOR PROPORTION OF A GASOLINE THAT NORMALLY TENDS TO PROMOTE STALLING OF INTERNAL COMBUSTION ENGINES BY CARBURETOR ICING, AND (2) A SMALL BUT EFFECTIVE PROPORTION OF A GASOLINE-SOLUBLE ANTI-ICING ADDITIVE HAVING THE FORMULA
Claim 2
Dependent Claim
42 words
AN IMPROVED GASOLINE MOTOR FUEL COMPOSITION COMPRISING: (1) A MAJOR PROPORTION OF A GASOLINE THAT NORMALLY TENDS TO PROMOTE STALLING OF INTERNAL COMBUSTION ENGINES BY CARBURETOR ICING, AND (2) A SMALL BUT EFFECTIVE PROPORTION OF A GASOLINE-SOLUBLE ANTI-ICING ADDITIVE HAVING THE 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) | 1972-04-21 | 1972-10-21 | 1973-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-21 | 1976-10-21 | 1977-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-21 | 1980-10-21 | 1981-04-22 | $7700.00 | Window Closed / Lapsed |