Patent US2695272A successfully refreshed from Google Patents.
US2695272A
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US
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Soluble metalworking oil
Assignee: Standard Oil Development Co
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Filing: 1952-05-21
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Granted: 1954-11-23
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Expires: 1972-05-21
Abstract
No abstract record available.
Inventors
- 👤 Laurence F King
- 👤 Lorne W Sproule
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:17
CPC Classifications
C; C10; C10M; C10M173/00; C10M2201/00; C10M2201/02; C10M2205/00; C10M2205/18; C10M2207/00; C10M2207/02; C10M2207/021; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2219/00; C10M2219/04; C10M2219/044; C10N; C10N2040/00; C10N2040/20; C10N2040/22; C10N2050/00; C10N2050/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A SOLUBLE METAL WORKING LUBRICANT COMPOSITION COMPRISING A MINERAL BASE LUBRICATING OIL, 2 TO 7% BY WEIGHT, BASED ON THE TOTAL COMPOSITION, OF OIL SOLUBLE SODIUM SULPHONATE, AND SUPPLEMENTARY SOAPS INCLUDING 1 TO 5% OF AN ALKYLOLAMINE SALT OF NAPHTHENIC ACID AND 3 TO 8% OF AN ALKYLOL AMINE SOAP OF TALL OIL.
Claim 2
Dependent Claim
53 words
A SOLUBLE METAL WORKING LUBRICANT COMPOSITION COMPRISING A MINERAL BASE LUBRICATING OIL, 2 TO 7% BY WEIGHT, BASED ON THE TOTAL COMPOSITION, OF OIL SOLUBLE SODIUM SULPHONATE, AND SUPPLEMENTARY SOAPS INCLUDING 1 TO 5% OF AN ALKYLOLAMINE SALT OF NAPHTHENIC ACID AND 3 TO 8% OF AN ALKYLOL AMINE SOAP OF TALL OIL.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-22 | 1958-05-24 | 1958-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-22 | 1962-05-24 | 1962-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-22 | 1966-05-24 | 1966-11-23 | $7700.00 | Window Closed / Lapsed |