US3222284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emulsion hydraulic fluid, concentrate and method of preparing same
Assignee: Union Oil Company of California
•
Filing: 1961-10-06
•
Granted: 1965-12-07
•
Expires: 1981-10-06
Abstract
No abstract record available.
Inventors
- 👤 George R Cook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:01
CPC Classifications
C; C10; C10M; C10M173/00; C10M2201/00; C10M2201/02; C10M2203/00; C10M2203/10; C10M2203/102; C10M2219/00; C10M2219/04; C10M2219/044; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10N; C10N2010/00; C10N2010/04; C10N2040/00; C10N2040/08; C10N2050/00; C10N2050/01; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
18 words
A HYDRAULIC-FLUID CONCENTRATE CONSISTING ESSENTIALLY OF MAJOR PORTION OF A NEUTRAL MINERAL LUBRICATING OIL AND THE FOLLOWING INGREDIENTS:
Claim 2
Dependent Claim
18 words
A HYDRAULIC-FLUID CONCENTRATE CONSISTING ESSENTIALLY OF MAJOR PORTION OF A NEUTRAL MINERAL LUBRICATING OIL AND THE FOLLOWING INGREDIENTS:
Claim 3
Dependent Claim
47 words
A FIRE-RESITANT HYDRAULIC FLUID CONSISTING ESSENTIALLY OF AN EMULSION OF ABOUT 33 TO 45% BY WEIGHT OF A WATER PHASE AND ABOUT 67 TO 55% BY WEIGHT OF AN OIL PHASE WHICH CONSISTS IN A MAJOR PORTION OF A NEUTRAL MINERAL LUBRICATING OIL AND THE FOLLOWING INGREDIENTS:
Claim 4
Dependent Claim
47 words
A FIRE-RESITANT HYDRAULIC FLUID CONSISTING ESSENTIALLY OF AN EMULSION OF ABOUT 33 TO 45% BY WEIGHT OF A WATER PHASE AND ABOUT 67 TO 55% BY WEIGHT OF AN OIL PHASE WHICH CONSISTS IN A MAJOR PORTION OF A NEUTRAL MINERAL LUBRICATING OIL AND THE FOLLOWING INGREDIENTS:
References Cited (Backward Citations)
US2913411A
Cited
US2961404A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |