Patent US3791970A successfully refreshed from Google Patents.
US3791970A
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US
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Solid lubricant
Assignee: General Dynamics Corp
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Filing: 1972-07-24
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Granted: 1974-02-12
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Expires: 1992-07-24
Abstract
Abstract A LUBRICANT IN SOLID FORM AT ROOM TEMPERATURE COMPRISING 1-HEXADECANOL (CETYL ALCOHOL) TRICRESYL PHOSPHATE IS DISCLOSED. THE LUBRICANT IS ORDINARILY USED IN CAST STICK, CAKE OR TUBE FORM AND IS EITHER APPLIED TO A SURFACE BY RUBBING THE END OF THE STICK ON THE SURFACE TO BE LUBRICATED OR THE TOOL IS COATED BY INSERTING IT IN THE LUBRICANT. THIS LUBRICANT HAS BEEN FOUND TO BE HIGHLY EFFECTIVE FOR USE WITH METAL WORKING DRILLS, SAWS, ECT. THE LUBRICANT IS NOT BRITTLE AND ADHERES TO SURFACES WITHOUT POWDERING. IT ALSO EXHIBITS IMPROVED LUBRICITY.
Inventors
- 👤 I Tubb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:52
CPC Classifications
C; C10; C10M; C10M7/00; C10M2207/00; C10M2207/02; C10M2207/021; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10N; C10N2040/00; C10N2040/20; C10N2040/22; C10N2050/00; C10N2050/08; C10N2050/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1977-02-11 | 1977-08-13 | 1978-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-11 | 1981-08-13 | 1982-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-11 | 1985-08-13 | 1986-02-12 | $7700.00 | Window Closed / Lapsed |