Patent US3334210A successfully refreshed from Google Patents.
US3334210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electro-discharge machining fluid and method
Assignee: Milacron Inc
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Filing: 1964-05-22
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Granted: 1967-08-01
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Expires: 1984-05-22
Abstract
No abstract record available.
Inventors
- 👤 Josephine L Williams
- 👤 Milton J Riddles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:27
CPC Classifications
B; B23; B23H; B23H1/00; B23H1/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
AN ELECTRO-DISCHARGE MACHINING FLUID CONSISTING ESSENTIALLY OF FROM 35% TO 70% BY VOLUME OF AN ETHYLENE GLYCOL OF THE FORMULA HOCH2(CH2OCH2)NCH2OH WHEREIN N IS SELECTED FROM 0 AND THE POSITIVE INTEGERS, FROM 2.5% TO 35% TO 35% BY VOLUME OF A MONOETHER OF ETHYLENE GLYCOL OF THE FORMULA ROCH2(CH2OCH2)MCH2OH
Claim 2
Dependent Claim
49 words
AN ELECTRO-DISCHARGE MACHINING FLUID CONSISTING ESSENTIALLY OF FROM 35% TO 70% BY VOLUME OF AN ETHYLENE GLYCOL OF THE FORMULA HOCH2(CH2OCH2)NCH2OH WHEREIN N IS SELECTED FROM 0 AND THE POSITIVE INTEGERS, FROM 2.5% TO 35% TO 35% BY VOLUME OF A MONOETHER OF ETHYLENE GLYCOL OF THE FORMULA ROCH2(CH2OCH2)MCH2OH
References Cited (Backward Citations)
US3061708A
Cited
US3168638A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |