US2662055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil compositions
Assignee: Texaco Inc
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Filing: 1949-08-25
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Granted: 1953-12-08
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Expires: 1969-08-25
Abstract
No abstract record available.
Inventors
- 👤 Charles C Towne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:31
CPC Classifications
C; C10; C10M; C10M171/00; C10M171/004; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/024; C10M2219/04; C10M2219/044; C10M2219/046; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10M2227/00; C10M2227/04; C10M2229/00; C10M2229/04; C10M2229/041; C10M2229/042; C10M2229/043; C10M2229/044; C10M2229/045; C10M2229/046; C10M2229/047; C10M2229/048; C10M2229/05; C10M2229/051; C10M2229/052; C10M2229/053; C10M2229/054; C10N; C10N2020/00; C10N2020/01; C10N2040/00; C10N2040/08; C10N2040/25; C10N2040/252; C10N2040/253
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
A SUBSTANTIALLY NON-FOAMING AND NON-GAS ENTRAINING COMPOSITION OF MATTER COMPRISING A MAJOR PORTION OF A LIQUID HYDROCARBON OIL AND A MINOR PROPORTION OF AN ADDDITIVE AND A LIQUID DIHYDROCARBON SILICONE POLYMER OF A MINIMUM VISCOSITY OF ABOUT 900 CS.
Claim 2
Dependent Claim
39 words
A SUBSTANTIALLY NON-FOAMING AND NON-GAS ENTRAINING COMPOSITION OF MATTER COMPRISING A MAJOR PORTION OF A LIQUID HYDROCARBON OIL AND A MINOR PROPORTION OF AN ADDDITIVE AND A LIQUID DIHYDROCARBON SILICONE POLYMER OF A MINIMUM VISCOSITY OF ABOUT 900 CS.
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) | 1956-12-07 | 1957-06-08 | 1957-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-07 | 1961-06-08 | 1961-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-07 | 1965-06-08 | 1965-12-08 | $7700.00 | Window Closed / Lapsed |