Patent US2739935A successfully refreshed from Google Patents.
US2739935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic cutting of metals
Assignee: Individual
•
Filing: 1952-09-30
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Granted: 1956-03-27
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Expires: 1972-09-30
Abstract
No abstract record available.
Inventors
- 👤 George L Kehl
- 👤 Jr Irving Moch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:07
CPC Classifications
B; B23; B23H; B23H3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
IN A METHOD OF CUTTING A METAL ELECTROLYTICALLY THE STEPS WHICH COMPRISE, DEFINING THE REGION OF SAID METAL TO BE CUT, SUPPLYING AN ELECTROLYTE TO THE DEFINED REGION SUPPLYING AN ELECTROLYZING CURRENT TO SAID REGION THROUGH A CATHODIC CUTTING ELECTRODE AND THROUGH SAID ELECTROLYTE, AND ESTABLISHING AN AUXILIARY VOLTAGE IN ELECTRODES DISPOSED PROXIMATE SAID DEFINED REGION TO CONDUCTIVELY REMOVE AT LEAST A PORTION OF THE SUPPLIED CURRENT DIVERGING FROM SAID REGION THROUGH SAID ELECTROLYTE.
Claim 2
Dependent Claim
74 words
IN A METHOD OF CUTTING A METAL ELECTROLYTICALLY THE STEPS WHICH COMPRISE, DEFINING THE REGION OF SAID METAL TO BE CUT, SUPPLYING AN ELECTROLYTE TO THE DEFINED REGION SUPPLYING AN ELECTROLYZING CURRENT TO SAID REGION THROUGH A CATHODIC CUTTING ELECTRODE AND THROUGH SAID ELECTROLYTE, AND ESTABLISHING AN AUXILIARY VOLTAGE IN ELECTRODES DISPOSED PROXIMATE SAID DEFINED REGION TO CONDUCTIVELY REMOVE AT LEAST A PORTION OF THE SUPPLIED CURRENT DIVERGING FROM SAID REGION THROUGH SAID ELECTROLYTE.
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) | 1959-03-27 | 1959-09-26 | 1960-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-27 | 1963-09-26 | 1964-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-27 | 1967-09-26 | 1968-03-27 | $7700.00 | Window Closed / Lapsed |