US2589973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating grease composition
Assignee: Standard Oil Development Co
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Filing: 1949-11-01
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Granted: 1952-03-18
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Expires: 1969-11-01
Abstract
No abstract record available.
Inventors
- 👤 Jr Paul V Smith
- 👤 Arnold J Morway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:23
CPC Classifications
C; C10; C10M; C10M5/00; C10M2207/00; C10M2207/04; C10M2207/044; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/124; C10M2207/125; C10M2207/129; C10M2207/28; C10M2207/282; C10M2207/287; C10M2207/289; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2209/109; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/06; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/12; C10N2040/13; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
A LUBRICATING GREASE COMPOSITION CONSISTING ESSENTIALLY OF LUBRICATING OIL THICKENED TO A GREASE CONSISTENCY WITH 3 TO 40% BY WEIGHT, BASED ON THE TOTAL COMPOSITION, OF METAL SOAP OF ALIPHATIC CARBOXYLIC ACID, SAID METAL SOAP COMPRISING AT LEAST ONE-THIRD PART OF A SOAP OF AN ACID HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
50 words
A LUBRICATING GREASE COMPOSITION CONSISTING ESSENTIALLY OF LUBRICATING OIL THICKENED TO A GREASE CONSISTENCY WITH 3 TO 40% BY WEIGHT, BASED ON THE TOTAL COMPOSITION, OF METAL SOAP OF ALIPHATIC CARBOXYLIC ACID, SAID METAL SOAP COMPRISING AT LEAST ONE-THIRD PART OF A SOAP OF AN ACID HAVING THE GENERAL FORMULA
References Cited (Backward Citations)
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US2450221A
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GB615188A
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US2457640A
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US2475589A
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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) | 1955-03-18 | 1955-09-17 | 1956-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-18 | 1959-09-17 | 1960-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-18 | 1963-09-17 | 1964-03-18 | $7700.00 | Window Closed / Lapsed |