US2620301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grease compositions
Assignee: Standard Oil Co
•
Filing: 1950-12-09
•
Granted: 1952-12-02
•
Expires: 1970-12-09
Abstract
No abstract record available.
Inventors
- 👤 Gordon D Mcleod
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:38
CPC Classifications
C; C10; C10M; C10M5/00; C10M2205/00; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/28; C10M2207/282; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/105; C10M2211/00; C10M2211/02; C10M2211/022; C10M2211/06; C10M2215/00; C10M2215/10; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/08; C10M2219/082; C10M2219/084; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2040/00; C10N2040/02; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A GREASE COMPOSITION COMPRISING ESSENTIALLY A MAJOR PROPORTION OF A NORMALLY LIQUID OLEAGINOUS MATERIAL, FROM ABOUT 0.1% TO ABOUT 15% OF A WATER-SOLUBLE GUANIDINE SALT OF A LOW MOLECULAR WEIGHT ACID, AND FROM ABOUT 1% TO ABOUT 50% OF A PREFERENTIALLY OIL-SOLUBLE HYDROCARBON OIL SULFONATE.
Claim 2
Dependent Claim
45 words
A GREASE COMPOSITION COMPRISING ESSENTIALLY A MAJOR PROPORTION OF A NORMALLY LIQUID OLEAGINOUS MATERIAL, FROM ABOUT 0.1% TO ABOUT 15% OF A WATER-SOLUBLE GUANIDINE SALT OF A LOW MOLECULAR WEIGHT ACID, AND FROM ABOUT 1% TO ABOUT 50% OF A PREFERENTIALLY OIL-SOLUBLE HYDROCARBON OIL SULFONATE.
References Cited (Backward Citations)
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US2223935A
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US2372588A
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US2270755A
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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) | 1955-12-02 | 1956-06-02 | 1956-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-02 | 1960-06-02 | 1960-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-02 | 1964-06-02 | 1964-12-02 | $7700.00 | Window Closed / Lapsed |