US2607735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkaline earth metal soap greases
Assignee: Standard Oil Development Co
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Filing: 1949-03-12
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Granted: 1952-08-19
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Expires: 1969-03-12
Abstract
No abstract record available.
Inventors
- 👤 Lorne W Sproule
- 👤 Laurence F King
- 👤 Warren C Pattenden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:52
CPC Classifications
C; C10; C10M; C10M5/00; C10M2201/00; C10M2201/08; C10M2201/081; C10M2201/082; C10M2201/084; C10M2201/087; C10M2205/00; C10M2205/14; C10M2205/16; C10M2205/17; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/125; C10M2207/129; C10M2207/28; C10M2207/282; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
89 words
A SUBSTANTIALLY ANHYDROUS ALKALINE EARTH METAL BASE GREASE CONSISTING ESSENTIALLY OF LUBRICATING OIL AND A THICKENER COMPOSED OF A MAJOR PROPORTION OF AN ALKALINE EARTH METAL SOAP OF SUBSTANTIALLY SATURATED HYDROXY FATTY ACID OF 12 TO 24 CARBON ATOMS A MINOR AMOUNT OF A SALT OF THE SAME METAL HAVING AN ACID RADICAL MOLECULAR WEIGHT BELOW ABOUT 160 AND HAVING THE PROPERTY OF FORMING A COMPLEX WITH SAID SOAP TO RAISE THE MELTING POINT OF SAID GREASE, AND 0 TO 8% OF A NON-PARAFFINIC WAX OF A VEGETABLE ORIGIN.
References Cited (Backward Citations)
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US2399063A
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US2503749A
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US2417433A
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US2442828A
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US2450224A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-19 | 1956-02-18 | 1956-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-19 | 1960-02-18 | 1960-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-19 | 1964-02-18 | 1964-08-19 | $7700.00 | Window Closed / Lapsed |