US3296138A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extreme pressure lubricant additives
Assignee: Union Carbide Corp
•
Filing: 1963-08-06
•
Granted: 1967-01-03
•
Expires: 1983-08-06
Abstract
No abstract record available.
Inventors
- 👤 Robert A Cupper
- 👤 Jr Carl A Wolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:09
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/141; C10M2201/00; C10M2201/08; C10M2201/081; C10M2201/082; C10M2201/084; C10M2201/085; C10M2205/00; C10M2205/02; C10M2205/026; C10M2205/04; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/023; C10M2207/026; C10M2207/04; C10M2207/046; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/284; C10M2207/285; C10M2207/286; C10M2207/30; C10M2207/302; C10M2207/304; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2209/106; C10M2209/107; C10M2209/108; C10M2209/109; C10M2209/11; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/22; C10M2215/221; C10M2215/222; C10M2215/223; C10M2215/224; C10M2219/00; C10M2219/10; C10M2219/102; C10M2219/104; C10M2219/106; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2010/00; C10N2010/02; C10N2020/00; C10N2020/01; C10N2040/00; C10N2040/02; C10N2040/04; C10N2040/042; C10N2040/044; C10N2040/046; C10N2040/06; C10N2040/20; C10N2040/25; C10N2040/251; C10N2040/255; C10N2040/28; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
A FUNCTIONAL FLUID COMPOSITION WHICH COMPRISES A MAJOR PROPORTION OF AN ORGANIC FUNCTIONAL BASE FLUID OF LUBRICATING VISCOSITY AND A MINOR AMOUNT, SUFFICIENT TO IMPROVE THE LOAD CARRYING PROPERTIES OF SAID COMPOSITION, OF A POLYMER OF THE FORMULA:
Claim 2
Dependent Claim
38 words
A FUNCTIONAL FLUID COMPOSITION WHICH COMPRISES A MAJOR PROPORTION OF AN ORGANIC FUNCTIONAL BASE FLUID OF LUBRICATING VISCOSITY AND A MINOR AMOUNT, SUFFICIENT TO IMPROVE THE LOAD CARRYING PROPERTIES OF SAID COMPOSITION, OF A POLYMER OF THE FORMULA:
References Cited (Backward Citations)
US2252674A
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US2262813A
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US2276492A
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US2478694A
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US2536685A
Cited
US2722517A
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US2681890A
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US3179689A
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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) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |