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US3130138A Expired / Lapsed US ⏱️ 0.0 years remaining

Electrolytic cutting

Assignee: Battelle Development Corp
•
Filing: 1959-11-27
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Granted: 1964-04-21
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Expires: 1979-11-27
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Abstract

No abstract record available.

Inventors

  • 👤 Charles L Faust
  • 👤 John E Clifford

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 19:01
CPC Classifications
B; B23; B23H; B23H3/00; B23H3/08; B23H7/00; B23H7/12

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 147 words
A METHOD OF ELECTROLYTICALLY CUTTING INTO AN ELECTRICALLY CONDUCTIVE MASS, COMPRISING: CONNECTING SAID MASS TO THE POSITIVE SIDE OF A DIRECT CURRENT SUPPLY; CONNECTING TO THE NEGATIVE SIDE OF SAID DIRECT CURRENT SUPPLY AT LEAST ONE ELECTRICALLY CONDUCTIVE ROTATABLE DISK; LOCATING SAID MASS IN CLOSE PROXIMITY TO EACH SAID DISK AND MAINTAINING A GAP OF ABOUT 0.0005 TO 0.025 INCH BETWEEN THE PERIPHERY OF EACH SAID DISK AND THE ADJACENT PORTION OF SAID MASS; ROTATING EACH SAID DISK AT A PERIPHERAL SPEED OF AT LEAST ABOUT 3000 FEET PER MINUTE; AND SUPPLYING AN ELECTRICALLY CONDUCTIVE ELECTROLYTE THROUGHOUT EACH SAID GAP BY SUPPLYING SAID ELECTROLYTE TO AT LEAST ONE SIDE OF EACH SAID DISK AT A LOCATION SPACED FRO THE PERIPHERY THEREOF TO FORM ON SAID SIDE A FILM OF SUBSTANTIALLY UNIFORM THICKNESS OF SAID ELECTROLYTE THAT IS TRANSPORTED BY CENTRIFUGAL FORCE FROM SAID LOCATION TO SAID GAP.

References Cited (Backward Citations)

US2526423A Cited
US2920026A Cited
US2826540A Cited
US2764543A Cited
US2739935A Cited
US2871177A Cited
US2793992A Cited
US2798846A Cited
US2827427A Cited
US2939825A Cited
US2877105A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-04-21 1967-10-21 1968-04-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-04-21 1971-10-21 1972-04-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-04-21 1975-10-21 1976-04-21 $7700.00 Window Closed / Lapsed

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