US3474151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the decomposition of octane degrading components present in tertiary butyl alcohol-gasoline additive
Assignee: Atlantic Richfield Co
•
Filing: 1966-10-26
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Granted: 1969-10-21
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Expires: 1986-10-26
Abstract
No abstract record available.
Inventors
- 👤 Henry R Grane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:51
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/74; C07C29/76; C07C29/80; C07C407/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1845665A
Cited
US1984725A
Cited
US2478270A
Cited
US2615921A
Cited
US2671121A
Cited
US2700677A
Cited
US3351635A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-20 | 1973-04-21 | 1973-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-20 | 1977-04-21 | 1977-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-20 | 1981-04-21 | 1981-10-21 | $7700.00 | Window Closed / Lapsed |