Patent US2880164A successfully refreshed from Google Patents.
US2880164A
Expired / Lapsed
US
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Manufacture of anti-knock gasoline
Assignee: Tidewater Oil Co
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Filing: 1954-12-23
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Granted: 1959-03-31
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Expires: 1974-12-23
Abstract
No abstract record available.
Inventors
- 👤 Viland Clare Kemeth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:42
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/04; C10L1/06; C10G; C10G61/00; C10G61/02; C10G61/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2125714A
Cited
US2409695A
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US2479110A
Cited
US2593561A
Cited
US2768126A
Cited
US2736684A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-30 | 1962-09-29 | 1963-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-30 | 1966-09-29 | 1967-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-30 | 1970-09-29 | 1971-03-31 | $7700.00 | Window Closed / Lapsed |