US3004837A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel for two-cycle internal combustion engines
Assignee: Individual
•
Filing: 1956-08-09
•
Granted: 1961-10-17
•
Expires: 1976-08-09
Abstract
No abstract record available.
Inventors
- 👤 Lawrence E Riemenschneider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:52
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/146; C10M; C10M3/00; C10L1/16; C10L1/1625; C10L1/1633; C10L1/1641; C10L1/18; C10L1/192; C10L1/198; C10L1/1985; C10M2205/00; C10M2205/02; C10M2205/022; C10M2205/024; C10M2205/026; C10M2205/028; C10M2205/14; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/105; C10N; C10N2040/00; C10N2040/25; C10N2040/255; C10N2040/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A FUEL FOR A TWO-CYCLE ENGINE CONSISTING ESSENTIALLY OF A MAJOR PROPORTION OF NAPHTHA AND NOT SUBSTANTIALLY LESS THAN 6% BY VOLUME OF AN ADDITIVE, THE ADDITIVE COMPRISING A MAJOR PROPORTION OF LIQUID POLYMERS OF LOWER OLEFINS HAVING AN AVERAGE MOLECULAR WEIGHT OF AT LEAST ABOUT 300, AND ABOUT 0.5% TO ABOUT 10% BY WEIGHT OF THE ADDITIVE OF POLYPROPYLENE GLYCOL HAVING AN AVERAGE MOLECULAR WEIGHT OF AT LEAST ABOUT 600.
Claim 2
Dependent Claim
71 words
A FUEL FOR A TWO-CYCLE ENGINE CONSISTING ESSENTIALLY OF A MAJOR PROPORTION OF NAPHTHA AND NOT SUBSTANTIALLY LESS THAN 6% BY VOLUME OF AN ADDITIVE, THE ADDITIVE COMPRISING A MAJOR PROPORTION OF LIQUID POLYMERS OF LOWER OLEFINS HAVING AN AVERAGE MOLECULAR WEIGHT OF AT LEAST ABOUT 300, AND ABOUT 0.5% TO ABOUT 10% BY WEIGHT OF THE ADDITIVE OF POLYPROPYLENE GLYCOL HAVING AN AVERAGE MOLECULAR WEIGHT OF AT LEAST ABOUT 600.
References Cited (Backward Citations)
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Cited
GB328587A
Cited
US2087616A
Cited
US2049062A
Cited
US2096119A
Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-16 | 1965-04-17 | 1965-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-16 | 1969-04-17 | 1969-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-16 | 1973-04-17 | 1973-10-17 | $7700.00 | Window Closed / Lapsed |