Patent US2857254A successfully refreshed from Google Patents.
US2857254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor fuel
Assignee: Sunoco Inc
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Filing: 1955-03-14
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Granted: 1958-10-21
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Expires: 1975-03-14
Abstract
No abstract record available.
Inventors
- 👤 Charles L Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:32
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/12; C10L1/1233; C10L1/1241; C10L1/14; C10L1/18; C10L1/185; C10L1/1852; C10L1/1855; C10L1/30; C10L1/305; C10L1/306
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
MOTOR FUEL COMPRISING A MAJOR PROPORITON OF GASOLINE AND 0.5% TO 10% BY VOLUME OF AN OLEFIN OXIDE SELECTED FROM THE GROUP CONSISTING OF ETHYLENE OXIDE, PROPYLENE OXIDE, 1,2-BUTYLENE OXIDE, 2,3-BUTYLENE OXIDE, AND ISOBUTYLENE OXIDE.
Claim 2
Dependent Claim
35 words
MOTOR FUEL COMPRISING A MAJOR PROPORITON OF GASOLINE AND 0.5% TO 10% BY VOLUME OF AN OLEFIN OXIDE SELECTED FROM THE GROUP CONSISTING OF ETHYLENE OXIDE, PROPYLENE OXIDE, 1,2-BUTYLENE OXIDE, 2,3-BUTYLENE OXIDE, AND ISOBUTYLENE OXIDE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-20 | 1962-04-21 | 1962-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-20 | 1966-04-21 | 1966-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-20 | 1970-04-21 | 1970-10-21 | $7700.00 | Window Closed / Lapsed |