Patent US3250713A successfully refreshed from Google Patents.
US3250713A
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Lubricant composition
Assignee: Shell USA Inc
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Filing: 1964-05-29
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Granted: 1966-05-10
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Expires: 1984-05-29
Abstract
No abstract record available.
Inventors
- 👤 Gedeminas J Reinis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:16
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/02; C10; C10M; C10M1/00; C10M1/08; C10M2201/00; C10M2201/02; C10M2205/00; C10M2205/14; C10M2205/16; C10M2205/17; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/026; C10M2207/04; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/287; C10M2207/289; C10M2207/30; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/10; C10M2209/103; C10M2209/109; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/044; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/26; C10M2215/30; C10M2229/00; C10M2229/04; C10M2229/041; C10M2229/042; C10M2229/043; C10M2229/044; C10N; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/08; C10N2040/135; C10N2050/00; C10N2050/015; C10N2050/02; C10N2050/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
63 words
A COMPOSITION COMPRISING A MAJOR PROPORTION OF A WATER-IN-MINERAL OIL EMULSIONS AND FROM ABOUT 0.02 TO 5% BY WEIGHT OF EACH OF (1) AN AMINE SELECTED FROM THE GROUP CONSISTING OF MONOAMINES AND DIAMINES HAVING FROM 4 TO 8 CARBON ATOMS PER MOLECULE AND (2) A PHENOL SUBSTITUTED WITH ALKYL GROUPS HAVING WHICH HAVE A TOTAL OF FROM 0 TO 10 CARBON ATOMS.
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) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |