US2832739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ureido thickened greases
Assignee: Standard Oil Co
•
Filing: 1955-06-13
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Granted: 1958-04-29
•
Expires: 1975-06-13
Abstract
No abstract record available.
Inventors
- 👤 Edward A Swakon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:04
CPC Classifications
C; C10; C10M; C10M119/00; C10M119/24; C10M2205/00; C10M2207/00; C10M2207/28; C10M2207/282; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/109; C10M2211/00; C10M2211/06; C10M2213/00; C10M2213/02; C10M2213/06; C10M2213/062; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/066; C10M2215/08; C10M2215/082; C10M2215/10; C10M2215/102; C10M2215/16; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/28; C10M2215/30; C10M2217/00; C10M2217/04; C10M2217/044; C10M2217/045; C10M2229/00; C10M2229/04; C10M2229/041; C10M2229/042; C10M2229/043; C10M2229/044; C10M2229/05; C10M2229/051; C10N; C10N2020/00; C10N2020/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A LUBRICANT GREASE COMPRISING A LUBRICANT VEHICLE THICKENED WITH FROM ABOUT 2% TO ABOUT 50%, BY WEIGHT OF AT LEASR ONE UREIDO COMPOUND HAVING THE GEANRAL FORMULA
Claim 2
Dependent Claim
27 words
A LUBRICANT GREASE COMPRISING A LUBRICANT VEHICLE THICKENED WITH FROM ABOUT 2% TO ABOUT 50%, BY WEIGHT OF AT LEASR ONE UREIDO COMPOUND HAVING THE GEANRAL FORMULA
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) | 1961-04-28 | 1961-10-28 | 1962-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-28 | 1965-10-28 | 1966-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-28 | 1969-10-28 | 1970-04-29 | $7700.00 | Window Closed / Lapsed |