Patent US2637696A successfully refreshed from Google Patents.
US2637696A
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Hydrocarbon oil composition
Assignee: Standard Oil Development Co
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Filing: 1950-11-25
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Granted: 1953-05-05
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Expires: 1970-11-25
Abstract
No abstract record available.
Inventors
- 👤 Abraham D Kirshenbaum
- 👤 James M Boyle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:29
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2205/00; C10M2205/20; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/023; C10M2207/027; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/082; C10M2219/00; C10M2219/02; C10M2219/024; C10M2219/04; C10M2219/044; C10M2219/06; C10M2219/062; C10M2219/066; C10M2219/08; C10M2219/082; C10M2219/087; C10M2219/088; C10M2219/089; C10N; C10N2040/00; C10N2040/08; C10N2040/135; C10N2040/14; C10N2040/16; C10N2040/17; C10N2040/20; C10N2040/22; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
20 words
A COMPOSITION CONSISTING ESSENTIALLY OF A HYDROCARBON OIL AND 0.01 TO 5% BY WEIGHT OF A COMPOUND OF THE FORMULA-
Claim 2
Dependent Claim
20 words
A COMPOSITION CONSISTING ESSENTIALLY OF A HYDROCARBON OIL AND 0.01 TO 5% BY WEIGHT OF A COMPOUND OF THE FORMULA-
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) | 1956-05-04 | 1956-11-03 | 1957-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-04 | 1960-11-03 | 1961-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-04 | 1964-11-03 | 1965-05-05 | $7700.00 | Window Closed / Lapsed |