US3242062A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorine-cuntaining electrolyte for electrolytic cutting of metals
Assignee: —
•
Filing: —
•
Granted: 1966-03-22
•
Expires: 1983-03-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:44
CPC Classifications
C; C25; C25F; C25F3/00; C25F3/02; B; B23; B23H; B23H3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
AN ELECTROLYTE, FOR ELECTROLYTIC CUTTING OF A WORKPIECE OF METAL SELECTED FROM THE GROUP CONSISTING OF REACTIVE METAL, FERROUS METALS, HIGH ALLOY STEELS AND SUPER ALLOYS, WHICH CONSISTS ESSENTIALLY OF: (A) FROM 5% BY WEIGHT TO SATURATION OF A SALT SELECTED FROM THE GROUP CONSISTING OF SODIUM CHLORIDE, POTASSIUM CHLORIDE AND AMMONIUM CHLORIDE, (B) FROM 0.2% TO 2% BE WEIGHT OF SODIUM FLUORIDE, (C) FROM 1% TO 5% BY WEIGHT OF AN ACID SELECTED FROM THE GROUP CONSISTING OF TARTARIC ACID, FORMIC ACID, CITRIC ACID, AND SUCCINIC ACID, (D) UP TO 4% BY WEIGHT OF A 30% AQUEOUS SOLUTION OF HYDROGEN PEROXIDE, (E) UP TO 5% BY WEIGHT OF NITRIC ACID (70%), AND (F) BALANCE WATER.
Claim 2
Dependent Claim
116 words
AN ELECTROLYTE, FOR ELECTROLYTIC CUTTING OF A WORKPIECE OF METAL SELECTED FROM THE GROUP CONSISTING OF REACTIVE METAL, FERROUS METALS, HIGH ALLOY STEELS AND SUPER ALLOYS, WHICH CONSISTS ESSENTIALLY OF: (A) FROM 5% BY WEIGHT TO SATURATION OF A SALT SELECTED FROM THE GROUP CONSISTING OF SODIUM CHLORIDE, POTASSIUM CHLORIDE AND AMMONIUM CHLORIDE, (B) FROM 0.2% TO 2% BE WEIGHT OF SODIUM FLUORIDE, (C) FROM 1% TO 5% BY WEIGHT OF AN ACID SELECTED FROM THE GROUP CONSISTING OF TARTARIC ACID, FORMIC ACID, CITRIC ACID, AND SUCCINIC ACID, (D) UP TO 4% BY WEIGHT OF A 30% AQUEOUS SOLUTION OF HYDROGEN PEROXIDE, (E) UP TO 5% BY WEIGHT OF NITRIC ACID (70%), AND (F) BALANCE WATER.
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) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |