US2563101A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel charge for internalcombustion engines
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1948-03-08
•
Granted: 1951-08-07
•
Expires: 1968-03-08
Abstract
No abstract record available.
Inventors
- 👤 Archie T Colwell
- 👤 Milton S Roush
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:54
CPC Classifications
F; F02; F02M; F02M25/00; F02M25/14; C; C10; C10L; C10L1/00; C10L1/10; C10L1/106; C10L1/12; C10L1/1233; C10L1/1241; C10L1/125; C10L1/14; C10L1/18; C10L1/182; C10L1/1822; C10L1/1824; C10L1/192; C10L1/198; C10L1/1985; C10L1/22; C10L1/222; C10L1/223; C10L1/30; C10L1/305; C10L1/306; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A FUEL CHARGE FOR COMBUSTION IN INTERNAL COMBUSTION ENGINES COMPRISING A HYDROCARBON FUEL AND A MINOR AMOUNT OF A REACTION PRODUCT OF AN ALCOHOL AND AN ALKYLENE OXIDE, THE REACTION PRODUCT HAVING THE STRUCTURAL FORMULA R1-O-(R2-O)N-R3 WHERE R1 AND R3 ARE SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, ALKYL, ARYL, ARALKYL AND ALKARYL RADICALS, R2 IS AN ALKYLENE RADICAL AND N IS GREATER THAN 4.
Claim 2
Dependent Claim
65 words
A FUEL CHARGE FOR COMBUSTION IN INTERNAL COMBUSTION ENGINES COMPRISING A HYDROCARBON FUEL AND A MINOR AMOUNT OF A REACTION PRODUCT OF AN ALCOHOL AND AN ALKYLENE OXIDE, THE REACTION PRODUCT HAVING THE STRUCTURAL FORMULA R1-O-(R2-O)N-R3 WHERE R1 AND R3 ARE SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, ALKYL, ARYL, ARALKYL AND ALKARYL RADICALS, R2 IS AN ALKYLENE RADICAL AND N IS GREATER THAN 4.
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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) | 1954-08-06 | 1955-02-05 | 1955-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-06 | 1959-02-05 | 1959-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-06 | 1963-02-05 | 1963-08-07 | $7700.00 | Window Closed / Lapsed |