Patent US2790775A successfully refreshed from Google Patents.
US2790775A
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Cutting oil composition
Assignee: Standard Oil Co
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Filing: 1951-03-19
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Granted: 1957-04-30
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Expires: 1971-03-19
Abstract
No abstract record available.
Inventors
- 👤 Everett C Hughes
- 👤 Harrison M Stine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:58
CPC Classifications
C; C10; C10M; C10M135/00; C10M135/20; C10M135/22; C10M2201/00; C10M2201/04; C10M2201/041; C10M2201/042; C10M2201/043; C10M2203/00; C10M2203/10; C10M2203/102; C10M2207/00; C10M2207/40; C10M2207/404; C10M2211/00; C10M2211/08; C10M2219/00; C10M2219/08; C10M2219/082; C10N; C10N2040/00; C10N2040/20; C10N2040/22; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
A CUTTING OIL CONSISTING ESSENTIALLY OF AN OIL-SOLUBLE SULFURIZED MINERAL CUTTING OIL BASE CONTAINING BETWEEN 1 AND ABOUT 60% BY WEIGHT OF DIMETHYLBENZYL TETRASULFIDE CONTAINING AN AVERAGE OF ABOUT 4 SULFUR ATOMS IN THE SULFUR BRIDGE AND HAVING THE FORMULA
Claim 2
Dependent Claim
40 words
A CUTTING OIL CONSISTING ESSENTIALLY OF AN OIL-SOLUBLE SULFURIZED MINERAL CUTTING OIL BASE CONTAINING BETWEEN 1 AND ABOUT 60% BY WEIGHT OF DIMETHYLBENZYL TETRASULFIDE CONTAINING AN AVERAGE OF ABOUT 4 SULFUR ATOMS IN THE SULFUR BRIDGE AND HAVING THE 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) | 1960-04-29 | 1960-10-29 | 1961-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-29 | 1964-10-29 | 1965-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-29 | 1968-10-29 | 1969-04-30 | $7700.00 | Window Closed / Lapsed |