US2819210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clay bodied grease compositions
Assignee: Minerals & Chemicals Corp Of A
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Filing: 1953-09-29
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Granted: 1958-01-07
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Expires: 1973-09-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Walter Linwood Haden
- 👤 Cletus O Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:02
CPC Classifications
C; C10; C10M; C10M5/00; C10M2201/00; C10M2201/02; C10M2201/10; C10M2201/102; C10M2201/103; C10M2209/00; C10M2209/10; C10M2209/103; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/043; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2040/00; C10N2040/02; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A BODIED LUBRICANT CONSISTING ESSENTIALLY OF A PETROLEUM HYDROCARBON OIL HAVING COLLOIDALLY DISPERSED THEREIN GEORGIA-FLORIDA FULLER''S EARTH IN AN AMOUNT ON A VOLATILEFREE BASIS OF FROM ABOUT 3 TO 15 PERCENT BASED ON THE TOTAL WEIGHT OF THE LUBRICANT, A HYDROPHOBIC SURFACE-ACTIVE AGENT HAVING THE FOLLOWING STRUCTURAL FORMULA:
Claim 2
Dependent Claim
48 words
A BODIED LUBRICANT CONSISTING ESSENTIALLY OF A PETROLEUM HYDROCARBON OIL HAVING COLLOIDALLY DISPERSED THEREIN GEORGIA-FLORIDA FULLER''S EARTH IN AN AMOUNT ON A VOLATILEFREE BASIS OF FROM ABOUT 3 TO 15 PERCENT BASED ON THE TOTAL WEIGHT OF THE LUBRICANT, A HYDROPHOBIC SURFACE-ACTIVE AGENT HAVING THE FOLLOWING STRUCTURAL FORMULA:
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) | 1961-01-06 | 1961-07-08 | 1962-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-06 | 1965-07-08 | 1966-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-06 | 1969-07-08 | 1970-01-07 | $7700.00 | Window Closed / Lapsed |