Patent US3007873A successfully refreshed from Google Patents.
US3007873A
Expired / Lapsed
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Stable mineral oil compositions
Assignee: Shell USA Inc
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Filing: 1959-06-25
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Granted: 1961-11-07
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Expires: 1979-06-25
Abstract
No abstract record available.
Inventors
- 👤 William W Reynolds
- 👤 Low Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:23
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2203/00; C10M2203/10; C10M2203/104; C10M2203/106; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/066; C10M2227/00; C10M2227/06; C10M2227/061; C10N; C10N2040/00; C10N2040/04; C10N2040/042; C10N2040/044; C10N2040/046; C10N2040/08; C10N2040/12; C10N2040/13; C10N2040/135; C10N2040/14; C10N2040/16; C10N2040/17
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
A MINERAL LUBRICATING OIL CONTAINING FROM ABOUT 0.001% TO ABOUT 2% EACH OF AN ARYL AMINE OF THE GROUP CONSISTING OF PHENYL-ALPHA-NAPHTHYLAMINE AND DINAPHTHYLAMINE AND A BORATE OF THE GROUP CONSISTING OF 2,6-DITERTBUTYLPHENYL DI-N-BUTYL BORATE AND 2,6-DITERT-BUTYL-4METHYLPHENYL DI-N-BUTYL BORATE.
Claim 2
Dependent Claim
39 words
A MINERAL LUBRICATING OIL CONTAINING FROM ABOUT 0.001% TO ABOUT 2% EACH OF AN ARYL AMINE OF THE GROUP CONSISTING OF PHENYL-ALPHA-NAPHTHYLAMINE AND DINAPHTHYLAMINE AND A BORATE OF THE GROUP CONSISTING OF 2,6-DITERTBUTYLPHENYL DI-N-BUTYL BORATE AND 2,6-DITERT-BUTYL-4METHYLPHENYL DI-N-BUTYL BORATE.
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) | 1964-11-06 | 1965-05-08 | 1965-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-06 | 1969-05-08 | 1969-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-06 | 1973-05-08 | 1973-11-07 | $7700.00 | Window Closed / Lapsed |