US3294683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grease composition
Assignee: Shell USA Inc
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Filing: 1964-02-04
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Granted: 1966-12-27
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Expires: 1984-02-04
Abstract
No abstract record available.
Inventors
- 👤 John D Stansfield
- 👤 Lancaster Charles Barnes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:16
CPC Classifications
C; C10; C10M; C10M5/00; C10M2201/00; C10M2201/14; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/28; C10M2207/282; C10M2207/287; C10M2207/289; C10M2207/32; C10M2207/34; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/24; C10M2215/26; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/041; C10M2229/043; C10M2229/044; C10M2229/05; C10M2229/051; C10N; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/12; C10N2040/13; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A GREASE COMPOSITION CONSISTING ESSENTIALLY OF (1) A MAJOR AMOUNT OF LUBRICATING BASE OIL GELLED TO A GREASE CONSISTENCY WITH (2) A MINOR THICKENING AMOUNT OF COLLOIDALLY DISPERSED WATER-PROOFED CLAY AND (3) 0.04-1.5% BY WEIGHT OF THE TOTAL COMPOSITION OF A TWO-COMPONENT DISPERSANT CONSISTING OF (A) 0.02-1% BY WEIGHT OF A NORMALLY LIQUID ALIPHATIC POLYHYDRIC ALCOHOL HAVING A BOILING POINT ABOVE 100* C. AND (B) 0.02-1% BY WEIGHT OF A ALKYL ESTER OF AN INORGANIC ACID, SAID ESTER HAVING A BOILING POINT ABOVE 200* C., BASIS TOTAL GREASE COMPOSITION.
Claim 2
Dependent Claim
89 words
A GREASE COMPOSITION CONSISTING ESSENTIALLY OF (1) A MAJOR AMOUNT OF LUBRICATING BASE OIL GELLED TO A GREASE CONSISTENCY WITH (2) A MINOR THICKENING AMOUNT OF COLLOIDALLY DISPERSED WATER-PROOFED CLAY AND (3) 0.04-1.5% BY WEIGHT OF THE TOTAL COMPOSITION OF A TWO-COMPONENT DISPERSANT CONSISTING OF (A) 0.02-1% BY WEIGHT OF A NORMALLY LIQUID ALIPHATIC POLYHYDRIC ALCOHOL HAVING A BOILING POINT ABOVE 100* C. AND (B) 0.02-1% BY WEIGHT OF A ALKYL ESTER OF AN INORGANIC ACID, SAID ESTER HAVING A BOILING POINT ABOVE 200* C., BASIS TOTAL GREASE COMPOSITION.
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) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |