US3105050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aqueous hydraulic fluid
Assignee: Union Oil Company of California
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Filing: 1959-11-13
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Granted: 1963-09-24
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Expires: 1979-11-13
Abstract
No abstract record available.
Inventors
- 👤 Paul W Fischer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:42
CPC Classifications
C; C10; C10M; C10M173/00; C10M2201/00; C10M2201/02; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/16; C10M2207/18; C10M2207/20; C10M2207/28; C10M2207/287; C10M2207/289; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/08; C10M2215/082; C10M2215/22; C10M2215/223; C10M2215/224; C10M2215/24; C10M2215/26; C10M2215/28; C10M2217/00; C10M2217/04; C10M2217/046; C10M2217/06; C10M2219/00; C10M2219/04; C10M2219/044; C10M2227/00; C10M2227/06; C10M2227/066; C10N; C10N2010/00; C10N2010/02; C10N2050/00; C10N2050/01; C10N2070/00; C10N2070/02; Y; Y10; Y10S; Y10S166/00; Y10S166/902
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
AN AQUEOUS HYDRAULIC FLUID COMPRISING AT LEAST 60 VOLUME PERCENT WATER, BETWEEN ABOUT 0.001 AND ABOUT 30 VOLUME PERCENT OF A LIQUID HYDROCARBON OIL EMULSIFIELD IN SAID WATER, BETWEEN ABOUT 0.001 AND ABOUT 10 VOLUME PERCENT OF AN OIL-IN-WATER EMULSIFIER, SUFFICIENT TO EMULSIFY SAID OIL IN SAID WATER, THE REMAINDER OF SAID HYDRAULIC FLUIF COMPRISING SAID WATER AND BETWEEN ABOUT 0.1 AND ABOUT 5.0 GRAMS PER GALLON OF AN ALKALI METAL SAPONIFIED ROSIN, SAID HYDRAULIC FLUID BEING FREE OF SILT AND SYSPENDED SOLID MATTER.
Claim 2
Dependent Claim
84 words
AN AQUEOUS HYDRAULIC FLUID COMPRISING AT LEAST 60 VOLUME PERCENT WATER, BETWEEN ABOUT 0.001 AND ABOUT 30 VOLUME PERCENT OF A LIQUID HYDROCARBON OIL EMULSIFIELD IN SAID WATER, BETWEEN ABOUT 0.001 AND ABOUT 10 VOLUME PERCENT OF AN OIL-IN-WATER EMULSIFIER, SUFFICIENT TO EMULSIFY SAID OIL IN SAID WATER, THE REMAINDER OF SAID HYDRAULIC FLUIF COMPRISING SAID WATER AND BETWEEN ABOUT 0.1 AND ABOUT 5.0 GRAMS PER GALLON OF AN ALKALI METAL SAPONIFIED ROSIN, SAID HYDRAULIC FLUID BEING FREE OF SILT AND SYSPENDED SOLID MATTER.
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) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |