Patent US2695880A successfully refreshed from Google Patents.
US2695880A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telomer greases
Assignee: EIDP Inc
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Filing: 1952-02-21
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Granted: 1954-11-30
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Expires: 1972-02-21
Abstract
No abstract record available.
Inventors
- 👤 Anthony F Benning
- 👤 Jr Frederick B Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:39
CPC Classifications
C; C10; C10M; C10M7/00; C10M2211/00; C10M2211/06; C10M2213/00; C10M2213/02; C10M2213/06; C10M2213/062; C10N; C10N2050/00; C10N2050/08; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A GREASE HAVING A HIGH VISCOSITY INDEX COMPRISING AN INTIMATE HOMOGENEOUS MIXTURE OF (1) 70% TO 90% BY WEIGHT OF A TELOMER OIL BOILING ABOVE 70* F. AT 10 MM., SELECTED FROM THE CLASS CONSISTING OF CHLOROFORM TELOMERS OF MONOCHLOROTRIFLUOROETHYLENE, CARBON TETRACHLORIDE TELOMERS OF MONOCHLOROTRIFLUOROETHYLENE, CHLOROFORM INTERTELOMERS OF MONOCHLOROTRIFLUORETHYLENE AND TETRAFLUOROETHYLENE, CARBON TETRACHLORIDE INTERTELOMERS OF MONOCHLOROTRIFLUOROETHYLENE AND TETRAFLUOROETHYLENE, AND MIXTURES OF THE SAID TELOMERS, THE TERMINAL HALOGEN OF THE TELOMER OIL BEING SELECTED FROM THE GROUP CONSISTING OF CHLORINE AND FLUORINE; AND (2) 10% TO 30% BY WEIGHT OF A TELOMER THICKENER HAVING A MOLECULAR WEIGHT OF BETWEEN ABOUT 2500 AND 4000 SELECTED FROM THE CLASS OF CHLOROFORM TELOMERS OF TETRAFLUOROETHYLENE AND CARBON TETRACHLORIDE TELOMERS OF TETRAFLUOROETHYLENE.
Claim 2
Dependent Claim
117 words
A GREASE HAVING A HIGH VISCOSITY INDEX COMPRISING AN INTIMATE HOMOGENEOUS MIXTURE OF (1) 70% TO 90% BY WEIGHT OF A TELOMER OIL BOILING ABOVE 70* F. AT 10 MM., SELECTED FROM THE CLASS CONSISTING OF CHLOROFORM TELOMERS OF MONOCHLOROTRIFLUOROETHYLENE, CARBON TETRACHLORIDE TELOMERS OF MONOCHLOROTRIFLUOROETHYLENE, CHLOROFORM INTERTELOMERS OF MONOCHLOROTRIFLUORETHYLENE AND TETRAFLUOROETHYLENE, CARBON TETRACHLORIDE INTERTELOMERS OF MONOCHLOROTRIFLUOROETHYLENE AND TETRAFLUOROETHYLENE, AND MIXTURES OF THE SAID TELOMERS, THE TERMINAL HALOGEN OF THE TELOMER OIL BEING SELECTED FROM THE GROUP CONSISTING OF CHLORINE AND FLUORINE; AND (2) 10% TO 30% BY WEIGHT OF A TELOMER THICKENER HAVING A MOLECULAR WEIGHT OF BETWEEN ABOUT 2500 AND 4000 SELECTED FROM THE CLASS OF CHLOROFORM TELOMERS OF TETRAFLUOROETHYLENE AND CARBON TETRACHLORIDE TELOMERS OF TETRAFLUOROETHYLENE.
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) | 1957-11-29 | 1958-05-31 | 1958-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-29 | 1962-05-31 | 1962-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-29 | 1966-05-31 | 1966-11-30 | $7700.00 | Window Closed / Lapsed |