US3764282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Enhancing gasoline engine operation by improving air fuel ratio distribution
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1971-11-16
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Granted: 1973-10-09
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Expires: 1991-11-16
Abstract
Abstract A MIXTURE OF A SILICONE AND A TRISUBSTITUTED PHOSPHATE ESTER HAVING AT LEAST TWO ARYL GROUPS, WHEN ADDED IN A MINOR PROPORTION TO A LEADED GASOLINE, WILL IMPROVE THE DISTRIBUTION OF THE AIR-FUEL MIXTURE IN THE INDUCTION SYSTEM OF AN ASPIRATED MULTICYLINDER GASOLINE ENGINE RUN WITH THAT BLEND, THEREBY INCREASING OPERATING EFFICIENCY.
Inventors
- 👤 L Furlong
- 👤 A Zimmerman
- 👤 H Shannon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:29
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/143; C10L1/26; C10L1/2633; C10L1/2641; C10L1/28; C10L1/285
Claims Analysis
Total Claims: 0
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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) | 1976-10-08 | 1977-04-09 | 1977-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-08 | 1981-04-09 | 1981-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-08 | 1985-04-09 | 1985-10-09 | $7700.00 | Window Closed / Lapsed |