US2599683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grease composition
Assignee: Shell Development Co
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Filing: 1949-05-03
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Granted: 1952-06-10
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Expires: 1969-05-03
Abstract
No abstract record available.
Inventors
- 👤 Stanley T Abrams
- 👤 Fred H Stross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:08
CPC Classifications
C; C10; C10M; C10M123/00; C09; C09K; C09K8/00; C09K8/02; C09K8/04; C09K8/06; C10M2201/00; C10M2201/06; C10M2201/062; C10M2203/00; C10M2203/10; C10M2203/102; C10M2203/104; C10M2203/106; C10M2203/108; C10M2205/00; C10M2205/02; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/123; C10M2207/125; C10M2207/129; C10M2207/16; C10M2207/22; C10M2207/28; C10M2207/282; C10M2207/34; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2209/10; C10M2209/103; C10M2211/00; C10M2211/04; C10M2211/044; C10M2211/06; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/24; C10M2215/26; C10M2219/00; C10M2219/02; C10M2219/04; C10M2219/044; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/06; C10M2223/061; C10M2223/065; C10M2223/08; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2010/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
88 words
A GREASE COMPOSITION COMPRISING A LUBRICATING OIL, 5 TO 40% BY WEIGHT OF SAID COMPOSITION OF A SUBSTANTIALLY ANHYDROUS INORGANIC GEL OF AN AMPHOTERIC MATAL, SAID GEL RETAINING IN THE COMPOSITION THE GEL STRUCTURE SUBSTANTIALLY AS ORIGINALLY FORMED, AND 2 ATO 20% BY WEIGHT OF SAID GEL OF A LIPOPHILIC ACID CONTAINING AT LEAST ONE HYDROCARBON RADICAL HAVING AT LEAST 10 CARBON ATOMS AND BEING SELECTED FROM THE GROUP CONSISTING OF PHOSPHINIC ACIDS, PHOSPHONIC ACIDS, FATTY ACIDS, ALIPHATIC DICARBOXYLIC ACIDS, AMINO FATTY ACIDS, SULFONIC ACIDS, AND NAPHTHENIC ACIDS.
References Cited (Backward Citations)
US2260625A
Cited
US2382694A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-10 | 1955-12-10 | 1956-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-10 | 1959-12-10 | 1960-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-10 | 1963-12-10 | 1964-06-10 | $7700.00 | Window Closed / Lapsed |