US3320155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Octane improvement process for motor fuels
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1962-10-26
•
Granted: 1967-05-16
•
Expires: 1982-10-26
Abstract
No abstract record available.
Inventors
- 👤 Kelley Joseph Matthew
- 👤 Baeder Donald Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:51
CPC Classifications
C; C10; C10G; C10G45/00; C10G45/58; C10G45/60; C10G2400/00; C10G2400/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2352416A
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US2695866A
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US2774720A
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US2916439A
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US2717231A
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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) | 1970-05-15 | 1970-11-14 | 1971-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-15 | 1974-11-14 | 1975-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-15 | 1978-11-14 | 1979-05-16 | $7700.00 | Window Closed / Lapsed |