US2710841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing substituted urea-thickened greases
Assignee: Standard Oil Co
•
Filing: 1953-11-18
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Granted: 1955-06-14
•
Expires: 1973-11-18
Abstract
No abstract record available.
Inventors
- 👤 Edward A Swakon
- 👤 Cecil G Brannen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:48
CPC Classifications
C; C10; C10M; C10M115/00; C10M115/08; C10M2207/00; C10M2207/28; C10M2207/282; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/109; C10M2211/00; C10M2211/02; C10M2215/00; C10M2215/08; C10M2215/082; C10M2215/10; C10M2215/102; C10M2215/24; C10M2215/28; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/10; C10M2219/104; C10M2219/108; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2229/00; C10M2229/04; C10M2229/041; C10M2229/042; C10M2229/043; C10M2229/044; C10M2229/05; C10M2229/051; C10N; C10N2020/00; C10N2020/01; C10N2040/00; C10N2040/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
THE METHOD OF MANUFACTURING A LUBRICANT GREASE COMPRISING A SUBSTITUTED UREA-THICKENED LUBRICANT VEHICLE WHICH COMPRISES PRODUCING IN SITU IN A REACTION MEDIUM COMPRISING THE LUBRICANT VEHICLE OF THE GREASE SUBSTITUTED UREA SELECTED FROM THE GROUP CONSISTING OF
Claim 2
Independent Claim
37 words
THE METHOD OF MANUFACTURING A LUBRICANT GREASE COMPRISING A SUBSTITUTED UREA-THICKENED LUBRICANT VEHICLE WHICH COMPRISES PRODUCING IN SITU IN A REACTION MEDIUM COMPRISING THE LUBRICANT VEHICLE OF THE GREASE SUBSTITUTED UREA SELECTED FROM THE GROUP CONSISTING OF
References Cited (Backward Citations)
US2698300A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-13 | 1958-12-13 | 1959-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-13 | 1962-12-13 | 1963-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-13 | 1966-12-13 | 1967-06-14 | $7700.00 | Window Closed / Lapsed |