US2914479A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Upper cylinder lubricant and tune-up solvent composition
Assignee: Standard Oil Co
•
Filing: 1955-04-26
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Granted: 1959-11-24
•
Expires: 1975-04-26
Abstract
No abstract record available.
Inventors
- 👤 Theodore B Tom
- 👤 Allen E Brehm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:56
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/143; C10L1/16; C10L1/1616; C10L1/1691; C10L1/18; C10L1/185; C10L1/1852; C10L1/188; C10L1/1881; C10L1/1883; C10L1/192; C10L1/195; C10L1/196; C10L1/1963; C10L1/22; C10L1/222; C10L1/2222; C10L1/2227; C10L1/232; C10L1/24; C10L1/2431; C10L1/2437; C10M2203/00; C10M2203/10; C10M2203/102; C10M2203/104; C10M2203/106; C10M2203/108; C10M2205/00; C10M2205/22; C10M2207/00; C10M2207/04; C10M2207/046; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/123; C10M2207/129; C10M2207/22; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/082; C10M2209/084; C10M2215/00; C10M2215/02; C10M2215/10; C10M2215/102; C10M2215/22; C10M2215/223; C10M2215/224; C10M2219/00; C10M2219/04; C10M2219/044; C10M2223/00; C10M2223/06; C10M2223/065; C10N; C10N2040/00; C10N2040/25
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
71 words
AN UPPER CYLINDER LUBRICANT AND TUNE-UP SOLVENT COMPOSITION CAPABLE OF INTRODUCTION INTO THE CARBURETOR OF AN INTERNAL COMBUSTION ENGINE WHILE OPERATING, BOILING ESSENTIALLY ABOVE THE BOILING RANGE OF GASOLINE, AND CONSISTING ESSENTIALLY OF ABOUT 50 TO 90 VOLUME PERCENT OF ALIGHT AROMATIC OIL EXTRACT OBTAINED FROM THE SELECTIVE SOLVENT EXTRACTION OF AN SAE-5W TO 10W PETROLEUM LUBIRCATING OIL AND ABOUT 10 TO ABOUT 20 VOLUME PERCENT OF ETHYLENE GLYCOL MONOETHYL ETHER.
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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) | 1962-11-23 | 1963-05-25 | 1963-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-23 | 1967-05-25 | 1967-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-23 | 1971-05-25 | 1971-11-24 | $7700.00 | Window Closed / Lapsed |