US2618599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High melting point calcium grease of low soap content
Assignee: Standard Oil Development Co
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Filing: 1951-06-01
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Granted: 1952-11-18
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Expires: 1971-06-01
Abstract
No abstract record available.
Inventors
- 👤 Laurence F King
- 👤 Warren C Pattenden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:29
CPC Classifications
C; C10; C10M; C10M5/00; C10M2203/00; C10M2203/10; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/124; C10M2207/125; C10M2207/129; C10M2207/28; C10M2207/282; C10M2207/30; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/108; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10N; C10N2010/00; C10N2010/04; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A LUBRICATING GREASE COMPOSITION COMPRISING 70 TO 95% BY WEIGHT OF A LUBRICATING OIL THICKENED TO A GREASE CONSISTENCY WITH 1 TO 10% BY WEIGHT, BASED ON THE TOTAL COMPOSITION, OF CALCIUM SOAP OF SUBSTANTIALLY SATURATED FATTY MATERIAL OF THE C12 TO C22 RANGE, 1 TO 10% OF CALCIUM SOAP OF PARTIALLY DEHYDRATED CASTOR OIL, AND 1 TO 10% OF THE CALCIUM SALT OF AN ALIPHATIC HYDROXY CARBOXYLIC ACID HAVING NOT MORE THAN 6 CARBON ATOMS PER MOLECULE.
Claim 2
Dependent Claim
78 words
A LUBRICATING GREASE COMPOSITION COMPRISING 70 TO 95% BY WEIGHT OF A LUBRICATING OIL THICKENED TO A GREASE CONSISTENCY WITH 1 TO 10% BY WEIGHT, BASED ON THE TOTAL COMPOSITION, OF CALCIUM SOAP OF SUBSTANTIALLY SATURATED FATTY MATERIAL OF THE C12 TO C22 RANGE, 1 TO 10% OF CALCIUM SOAP OF PARTIALLY DEHYDRATED CASTOR OIL, AND 1 TO 10% OF THE CALCIUM SALT OF AN ALIPHATIC HYDROXY CARBOXYLIC ACID HAVING NOT MORE THAN 6 CARBON ATOMS PER MOLECULE.
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) | 1955-11-18 | 1956-05-19 | 1956-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-18 | 1960-05-19 | 1960-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-18 | 1964-05-19 | 1964-11-18 | $7700.00 | Window Closed / Lapsed |