US3030196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon fuels containing boron esters
Assignee: Ethyl Corp
•
Filing: 1956-04-09
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Granted: 1962-04-17
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Expires: 1976-04-09
Abstract
No abstract record available.
Inventors
- 👤 Fred J Dykstra
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:12
CPC Classifications
C; C10; C10G; C10G29/00; C10G29/20; C07; C07F; C07F5/00; C07F5/02; C07F5/05; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/30; C10L1/301; C10L1/303
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
26 words
A PROCESS FOR IMPROVING THE COMBUSTION CHARACTERISTICS OF GASOLINE WHICH COMPRISES ADDING TO SAID GASOLINE AN ESTER OF AMETABORIC ACID, SAID ESTER HAVING THE EMPIRICAL FORMULA
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |