US3634247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutting fluid composition of chlorofluoro- and nitroalkanes
Assignee: EIDP Inc
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Filing: 1970-01-09
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Granted: 1972-01-11
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Expires: 1990-01-09
Abstract
Abstract CUTTING FLUID COMPOSITIONS COMPRISING TRICHLOROFLUOROMETHANE OR 1,1,2-TRICHLORO-1,2,2-TRIFLUOROETHANE AND FROM ABOUT 6 PERCENT TO 15 PERCENT BY WEIGHT OF A NITROALKANE HAVING 1 OR 2 CARBON ATOMS.
Inventors
- 👤 Murray Borton Parker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:54
CPC Classifications
C; C10; C10M; C10M3/00; C10M2211/00; C10M2211/02; C10M2211/022; C10M2211/06; C10M2215/00; C10M2215/20; C10M2215/202; C10N; C10N2040/00; C10N2040/20; C10N2040/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-01-10 | 1975-07-12 | 1976-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-10 | 1979-07-12 | 1980-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-10 | 1983-07-12 | 1984-01-11 | $7700.00 | Window Closed / Lapsed |