US3125531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Certificate of correction
Assignee: —
•
Filing: —
•
Granted: 1964-03-17
•
Expires: 1981-03-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:46
CPC Classifications
C; C10; C10M; C10M3/00; C10M2207/00; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/30; C10M2207/302; C10M2207/304; C10M2207/34; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2209/086; C10M2209/10; C10M2209/102; C10M2209/103; C10M2209/104; C10M2213/00; C10M2213/04; C10M2213/06; C10M2229/00; C10M2229/04; C10M2229/041; C10N; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/12; C10N2040/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A LUBRICANT COMPOSITION CONSISTING ESSENTIALLY OF AN ESTER-BASED SYTEHTIC FLUID OF LUBRICATING VISCOSITY, SAID ESTER-BASED FLUID BEING OF AN ALKANOL OF 4 TO 12 CARBON ATOMS AND AN ALKANE CARBOXYLIC ACID L OF 4 TO 12 CARBON ATOMS AND A MINOR AMOUNT SUFFICIENT TO IMPROVE LOADCARRYING CAPACITY OF SAID FLUID OF A BASE OIL-COMPATIBLE POLYESTER REACTION PRODUCT OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF A DICARBOXYLIC ACID HAVING THE STRUCTURAL FORMULA:
Claim 2
Dependent Claim
73 words
A LUBRICANT COMPOSITION CONSISTING ESSENTIALLY OF AN ESTER-BASED SYTEHTIC FLUID OF LUBRICATING VISCOSITY, SAID ESTER-BASED FLUID BEING OF AN ALKANOL OF 4 TO 12 CARBON ATOMS AND AN ALKANE CARBOXYLIC ACID L OF 4 TO 12 CARBON ATOMS AND A MINOR AMOUNT SUFFICIENT TO IMPROVE LOADCARRYING CAPACITY OF SAID FLUID OF A BASE OIL-COMPATIBLE POLYESTER REACTION PRODUCT OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF A DICARBOXYLIC ACID HAVING THE STRUCTURAL FORMULA:
References Cited (Backward Citations)
US2058394A
Cited
US2147547A
Cited
US2255085A
Cited
US2460035A
Cited
US2569122A
Cited
US2971913A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-17 | 1967-09-16 | 1968-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-17 | 1971-09-16 | 1972-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-17 | 1975-09-16 | 1976-03-17 | $7700.00 | Window Closed / Lapsed |