US2691633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricants comprising waxy mineral oil, silicates, and a phthalyl chloride acylated tetra paraffin-alkylated phenol
Assignee: California Research LLC
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Filing: 1951-06-29
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Granted: 1954-10-12
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Expires: 1971-06-29
Abstract
No abstract record available.
Inventors
- 👤 Jr George J Benoit
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:34
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2203/00; C10M2203/10; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/025; C10M2207/04; C10M2207/046; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/284; C10M2207/285; C10M2207/286; C10M2207/287; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/10; C10M2209/101; C10M2211/00; C10M2211/04; C10M2211/044; C10M2211/06; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/06; C10M2215/24; C10M2215/26; C10M2219/00; C10M2219/06; C10M2219/062; C10M2219/066; C10M2219/068; C10M2221/00; C10M2221/02; C10M2227/00; C10M2227/02; C10M2229/00; C10M2229/04; C10M2229/045; C10M2229/046; C10M2229/047; C10M2229/048; C10N; C10N2040/00; C10N2040/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A LUBRICANT COMPOSITION COMPRISING A MIXTURE OF A WAXY MINERAL OIL AND A TETRA-(BRANCHEDCHAIN ALKYL) SILICATE IN THE PROPORTION OF FROM 25 TO 75% BY VOLUME OF THE MINERAL OIL AND FROM 75 TO 25% BY VOLUME OF THE SILICATE, TOGETHER WITH FROM ABOUT 1 TO 3% BY WEIGHT OF A PHTHALYL CHLORIDE ACYLATED TETRAPARAFFIN-ALKYLATED PHENOL.
Claim 2
Dependent Claim
56 words
A LUBRICANT COMPOSITION COMPRISING A MIXTURE OF A WAXY MINERAL OIL AND A TETRA-(BRANCHEDCHAIN ALKYL) SILICATE IN THE PROPORTION OF FROM 25 TO 75% BY VOLUME OF THE MINERAL OIL AND FROM 75 TO 25% BY VOLUME OF THE SILICATE, TOGETHER WITH FROM ABOUT 1 TO 3% BY WEIGHT OF A PHTHALYL CHLORIDE ACYLATED TETRAPARAFFIN-ALKYLATED PHENOL.
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) | 1957-10-11 | 1958-04-12 | 1958-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-11 | 1962-04-12 | 1962-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-11 | 1966-04-12 | 1966-10-12 | $7700.00 | Window Closed / Lapsed |