US3403085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic material removal wherein the charge in the electrolyte is partially dissipate
Assignee: General Electric Co
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Filing: 1965-12-20
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Granted: 1968-09-24
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Expires: 1985-12-20
Abstract
No abstract record available.
Inventors
- 👤 Berger Elmer Joseph
- 👤 Perin David Clemens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:19
CPC Classifications
B; B23; B23H; B23H9/00; B23H9/14; B23H9/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
183 words
AN ELECTROLYTIC METHOD FOR REMOVING MATERIAL FROM AN ANODIC WORKPIECE THROUGH THE USE OF A HOLLOW TOOL HAVING A DIELECTRIC WALL ENCASING AN ELECTRICAL CATHODE, THE TOOL TERMINATING IN AN ELECTROLYTE DIRECTING NOZZLE, COMPRISING THE STEPS OF: DIRECTING THE ELECTROLYTE FROM THE CATHODE THROUGH THE NOZZLE IN A CHARGED ELECTROLYTEE STREAM TOWARD AND IN CONTACT WITH THE ANODIC WORKPIECE ACROSS AN EQUILIBRIUM GAP; CONCURRENTLY APPLYING AN ELECTRICAL POTENTIAL OF SUFFICIENT INTENSITY THROUGH THE ELECTROLYTE STREAM SO THAT THE CURRENT PASSED BETWEEN THE CATHODE AND THE WORKPIECE BY THE POTENTIAL PRODUCES IN THE ELECTROLYTE STREAM AT LEAST AN INCIPIENT GLOW WHEREIN THE CURRENTVOLTAGE RELATIONSHIP IN THE ELECTROLYTE IS AT LEAST IN THE "KELLOGG REGION"; WHILE AT THE SAME TIME CHARGED ELECTROLYTE STREAM TOWARD AND IN CONTACT WITH THE ANODIC WORKPIECE ACROSS AN EQUILIBRIUM GAP; WHILE AT THE SAME TIME APPLYING BETWEEN THE CATHODE AND THE WORKPIECE AN ELECTRICAL POTENTIAL; CONTACTING THE STREAM OF CHARGED ELECTROLYTE WITH MEANS TO DISSIPATE A SUFFICIENT AMOUNT OF THE CHARGE FROM THE ELECTROLYTE STREAM TO INHIBIT ELECTROLYTIC MATERIAL REMOVAL FROM THE WORKPIECE AT GAPS GREATER THAN THE EQUILIBRIUM GAP.
Claim 2
Dependent Claim
183 words
AN ELECTROLYTIC METHOD FOR REMOVING MATERIAL FROM AN ANODIC WORKPIECE THROUGH THE USE OF A HOLLOW TOOL HAVING A DIELECTRIC WALL ENCASING AN ELECTRICAL CATHODE, THE TOOL TERMINATING IN AN ELECTROLYTE DIRECTING NOZZLE, COMPRISING THE STEPS OF: DIRECTING THE ELECTROLYTE FROM THE CATHODE THROUGH THE NOZZLE IN A CHARGED ELECTROLYTEE STREAM TOWARD AND IN CONTACT WITH THE ANODIC WORKPIECE ACROSS AN EQUILIBRIUM GAP; CONCURRENTLY APPLYING AN ELECTRICAL POTENTIAL OF SUFFICIENT INTENSITY THROUGH THE ELECTROLYTE STREAM SO THAT THE CURRENT PASSED BETWEEN THE CATHODE AND THE WORKPIECE BY THE POTENTIAL PRODUCES IN THE ELECTROLYTE STREAM AT LEAST AN INCIPIENT GLOW WHEREIN THE CURRENTVOLTAGE RELATIONSHIP IN THE ELECTROLYTE IS AT LEAST IN THE "KELLOGG REGION"; WHILE AT THE SAME TIME CHARGED ELECTROLYTE STREAM TOWARD AND IN CONTACT WITH THE ANODIC WORKPIECE ACROSS AN EQUILIBRIUM GAP; WHILE AT THE SAME TIME APPLYING BETWEEN THE CATHODE AND THE WORKPIECE AN ELECTRICAL POTENTIAL; CONTACTING THE STREAM OF CHARGED ELECTROLYTE WITH MEANS TO DISSIPATE A SUFFICIENT AMOUNT OF THE CHARGE FROM THE ELECTROLYTE STREAM TO INHIBIT ELECTROLYTIC MATERIAL REMOVAL FROM THE WORKPIECE AT GAPS GREATER THAN THE EQUILIBRIUM GAP.
References Cited (Backward Citations)
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US3067114A
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US3085055A
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US2767137A
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US3184399A
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US3357912A
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US3267014A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-24 | 1972-03-25 | 1972-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-24 | 1976-03-25 | 1976-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-24 | 1980-03-25 | 1980-09-24 | $7700.00 | Window Closed / Lapsed |