US2996602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Edm coolant
Assignee: Elox Corporation of Michigan
•
Filing: 1959-01-26
•
Granted: 1961-08-15
•
Expires: 1979-01-26
Abstract
No abstract record available.
Inventors
- 👤 Robert S Webb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:41
CPC Classifications
B; B23; B23H; B23H1/00; B23H1/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
THE METHOD OF ELECTRICAL-DISCHARGE-MACHINING WHICH COMPRISES, CAUSING INTERMITTENT ELECTRICAL-DISCHARGE ACROSS A GAP BETWEEN AN ELECTRODE AND A WORKPIECE WHILE MAINTAINING IN THE GAP A COOLANT CONSISTING OF A WATER-IN-OIL EMULSION.
Claim 2
Independent Claim
30 words
THE METHOD OF ELECTRICAL-DISCHARGE-MACHINING WHICH COMPRISES, CAUSING INTERMITTENT ELECTRICAL-DISCHARGE ACROSS A GAP BETWEEN AN ELECTRODE AND A WORKPIECE WHILE MAINTAINING IN THE GAP A COOLANT CONSISTING OF A WATER-IN-OIL EMULSION.
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) | 1964-08-14 | 1965-02-13 | 1965-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-14 | 1969-02-13 | 1969-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-14 | 1973-02-13 | 1973-08-15 | $7700.00 | Window Closed / Lapsed |