US3527581A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microemulsions of water in hydrocarbon fuel for engines
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1966-10-17
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Granted: 1970-09-08
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Expires: 1986-10-17
Abstract
No abstract record available.
Inventors
- 👤 Darrell W Brownawell
- 👤 Max L Robbins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:01
CPC Classifications
C; C09; C09K; C09K23/00; C09K23/017; C10; C10L; C10L1/00; C10L1/10; C10L1/106; C10L1/32; C10L1/328; C10L1/12; C10L1/1233; C10L1/125; C10L1/14; C10L1/18; C10L1/182; C10L1/183; C10L1/192; C10L1/198; C10L1/1985; C10L1/22; C10L1/222; C10L1/2222; C10L1/2225
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2213477A
Cited
US2522447A
Cited
US2873182A
Cited
US2920948A
Cited
US3279901A
Cited
US3346494A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-07 | 1974-03-09 | 1974-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-07 | 1978-03-09 | 1978-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-07 | 1982-03-09 | 1982-09-08 | $7700.00 | Window Closed / Lapsed |