Patent US3254975A successfully refreshed from Google Patents.
US3254975A
Expired / Lapsed
US
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Hydrocarbon fuels containing boron esters
Assignee: Ethyl Corp
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Filing: 1960-02-17
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Granted: 1966-06-07
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Expires: 1980-02-17
Abstract
No abstract record available.
Inventors
- 👤 Glenn E Irish
- 👤 James B Hinkamp
- 👤 John D Bartleson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:21
CPC Classifications
C; C10; C10M; C10M139/00; C07; C07F; C07F5/00; C07F5/02; C07F5/025; C07F5/04; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/30; C10L1/301; C10L1/303; C10L3/00; C10L3/003; C10M2227/00; C10M2227/06; C10M2227/061; C10M2227/062; C10M2227/08; C10M2227/082
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
29 words
A NORMALLY LIQUID HYDROCARBON FUEL, SAID FUEL BEING SUBSTANTIALLY FREE OF METABORATE-INDUCED PRECIPITATE AND CONTAINING A SMALL AMOUNT OF A GASOLINE-SOLUBLE ORGANIC BORON COMPOUND, SAID METABORATE HAVING THE FORMULA
Claim 2
Dependent Claim
29 words
A NORMALLY LIQUID HYDROCARBON FUEL, SAID FUEL BEING SUBSTANTIALLY FREE OF METABORATE-INDUCED PRECIPITATE AND CONTAINING A SMALL AMOUNT OF A GASOLINE-SOLUBLE ORGANIC BORON COMPOUND, SAID METABORATE HAVING THE 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) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |