Patent US2825637A successfully refreshed from Google Patents.
US2825637A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gasoline fuel
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1955-03-09
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Granted: 1958-03-04
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Expires: 1975-03-09
Abstract
No abstract record available.
Inventors
- 👤 Frederick L Jonach
- 👤 John E Hickok
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:51
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/232; C10L1/233
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
A GASOLNE HAVING AN ASTM 50% DISTILLATION POINT BELOW ABLUT 310*F. CONTAINING ABOUT 0.1 TO 0.5% BY WEIGHT OF N-(METHYLENE-CARBINOL) TETRAHYDRO PARA OXAZINE.
Claim 2
Dependent Claim
23 words
A GASOLNE HAVING AN ASTM 50% DISTILLATION POINT BELOW ABLUT 310*F. CONTAINING ABOUT 0.1 TO 0.5% BY WEIGHT OF N-(METHYLENE-CARBINOL) TETRAHYDRO PARA OXAZINE.
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) | 1961-03-03 | 1961-09-02 | 1962-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-03 | 1965-09-02 | 1966-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-03 | 1969-09-02 | 1970-03-04 | $7700.00 | Window Closed / Lapsed |