US3133883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steam kettle manufacture of grease with ureido thickeners
Assignee: Standard Oil Co
•
Filing: 1961-08-28
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Granted: 1964-05-19
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Expires: 1981-08-28
Abstract
No abstract record available.
Inventors
- 👤 Jr Wilbur L Hayne
- 👤 Stephen J Zajac
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:12
CPC Classifications
C; C10; C10M; C10M115/00; C10M115/08; C07; C07C; C07C2603/00; C07C2603/02; C07C2603/04; C07C2603/22; C07C2603/26; C10M2201/00; C10M2201/04; C10M2201/041; C10M2201/042; C10M2201/06; C10M2201/065; C10M2201/066; C10M2203/00; C10M2203/10; C10M2203/108; C10M2207/00; C10M2207/10; C10M2207/18; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/109; C10M2211/00; C10M2211/02; C10M2211/04; C10M2211/044; C10M2211/06; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/10; C10M2215/102; C10M2215/24; C10M2215/26; C10M2217/00; C10M2217/04; C10M2217/046; C10M2217/06; C10M2219/00; C10M2219/02; C10M2219/024; C10M2219/08; C10M2219/082; C10N; C10N2040/00; C10N2040/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
THE METHOD OF PREPARING A LUBRICATING GREASE COMPRISING A LUBRICATING OIL THICKENER WITH FROM ABOUT 2% TO ABOUT 30% OF A UREIDO COMPOUND HAVING THE GENERAL FORMULA
Claim 2
Independent Claim
27 words
THE METHOD OF PREPARING A LUBRICATING GREASE COMPRISING A LUBRICATING OIL THICKENER WITH FROM ABOUT 2% TO ABOUT 30% OF A UREIDO COMPOUND HAVING THE GENERAL FORMULA
References Cited (Backward Citations)
US3015625A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-19 | 1967-11-18 | 1968-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-19 | 1971-11-18 | 1972-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-19 | 1975-11-18 | 1976-05-19 | $7700.00 | Window Closed / Lapsed |