US3192910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two-cycle internal combustion engine fuel
Assignee: Ethyl Corp
•
Filing: 1961-11-15
•
Granted: 1965-07-06
•
Expires: 1981-11-15
Abstract
No abstract record available.
Inventors
- 👤 Thomas H Coffield
- 👤 Allen H Filbey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:25
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/182; C10L1/183; C10L1/1835; C10L1/30; C10L1/305; C10M; C10M1/00; C10M1/08; C10L1/306; C10M2205/00; C10M2205/02; C10M2205/026; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/023; C10M2207/024; C10M2207/026; C10M2207/027; C10M2207/04; C10M2207/046; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/16; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/287; C10M2207/288; C10M2207/34; C10M2207/40; C10M2207/402; C10M2207/404; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2209/10; C10M2209/101; C10M2209/102; C10M2209/103; C10M2209/104; C10M2211/00; C10M2211/02; C10M2211/022; C10M2211/024; C10M2211/04; C10M2211/044; C10M2211/06; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/08; C10M2215/082; C10M2215/22; C10M2215/223; C10M2215/224; C10M2215/24; C10M2215/26; C10M2215/28; C10M2217/00; C10M2217/02; C10M2217/022; C10M2217/023; C10M2217/028; C10M2217/04; C10M2217/042; C10M2217/043; C10M2217/044; C10M2217/045; C10M2217/06; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/08; C10M2219/082; C10M2219/085; C10M2219/087; C10M2219/088; C10M2219/089; C10M2221/00; C10M2221/02; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/043; C10M2223/049; C10M2223/10; C10M2223/12; C10M2223/121; C10M2225/00; C10M2225/04; C10M2225/041; C10M2227/00; C10M2227/08; C10M2227/082; C10M2227/083; C10N; C10N2010/00; C10N2010/04; C10N2010/06; C10N2010/14; C10N2010/16; C10N2040/00; C10N2040/25; C10N2040/255; C10N2040/26
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
102 words
THE METHOD OF OPERATING A TWO-CYCLE SPARK IGNITION INTERNAL COMBUSTION ENGINE WHICH COMPRISES AS THE FUEL SUPPLYING STEP INTRODUCING INTO THE COMBUSTION CHAMBER A FUEL/OIL MIXTURE, THE WEIGHT RATIO OF SAID FUEL TO SAID OIL BEING AT LEAST ABOUT 15/1, SAID MIXTURE CONTAINING AS AN ADDITIVE THEREFOR A COMPOUND HAVING THE FORMULA HO-(2-R,6-R1-1,4-PHENYLENE)-CH2-(3-R,5-R1-1,4-PHENYLENE)-OH WHEREIN R IS AN ALKYL GROUP OF 1-8 CARBON ATOMS AND R1 IS AN ALPHA-BRANCHED ALKYL GROUP OF 3-8 CARBON ATOMS, IGNITING SAID FUEL/OIL MIXTURE IN SAID COMBUSTION CHAMBER, THEREBY PRODUCING GASEOUS COMBUSTION PRODUCTS, AND CAUSING SAID COMBUSTION PRODUCTS TO ACT ON A PISTON, THEREBY PRODUCING A DRIVING FORCE.
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) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |