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US3061525A Expired / Lapsed US ⏱️ 0.0 years remaining

Method for electroforming and coating

Assignee: Platecraft of America Inc
•
Filing: 1959-06-22
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Granted: 1962-10-30
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Expires: 1979-06-22
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Abstract

No abstract record available.

Inventors

  • 👤 Alfred E Grazen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 19:08
CPC Classifications
C; C25; C25D; C25D5/00; C25D5/08; C25D15/00; C25D15/02; C25D7/00; C25D7/04; C25D7/10; C25D5/60; C25D5/605; C25D5/611; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/934; Y10S428/935; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49016; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12139; Y10T428/12493; Y10T428/12708; Y10T428/12771; Y10T428/12861; Y10T428/12944; Y10T428/12951; Y10T428/12972

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 131 words
THE METHOD OF COATING AN ARTICLE WHICH COMPRISES MAKING SAID ARTICLE A CATHODE IN AN ELECTROPLATING BATH, CONTINUOUSLY FLOWING PAST SAID ARTICLE AN ELECTROPLATING ELECTROLYTE HAVING SUSPENDED THEREIN SOLID PARTICLES WHICH ARE SUBSTANTIALLY INSOLUBLE IN SAID ELECTROLYTE, CONTINUOUSLY MOVING SAID ARTICLE WHILE IN SAID ELECTROLYTE TO CAUSE CONTINUOUS SHEDDING OF UNADHERED PARTICLES FROM THE SURFACE OF SAID ARTICLE DURING SUCH MOVEMENT WHILE SAID ARTICLE IS BEING ELECTROPLATED WITHIN SAID BATH, WITHDRAWING ELECTROLYTE AND PARTICLES FROM SAID BATH, REINTRODUCING CONTROLLED AMOUNTS OF THE WITHDRAWN ELECTROLYTE AND PARTICLES BACK INTO THE BATH TO THEREBY CONTROL THE CONCEN-TRATION OF ADDITIVE PARTICLES IN SAID BATH, AND CONTINUING THE STEPS OF ELECTROLYTE FLOW, ARTICLE MOVEMENT, SHEDDING, AND ELECTROLYTE WITHDRAWAL UNTIL A UNIFORM DISPERSION OFOF DISCRETE PARTICLES WITHIN AN ELECTROPLATED MATRIX IS BUILT UP ON THE ARTICLE.
Claim 2
Independent Claim 131 words
THE METHOD OF COATING AN ARTICLE WHICH COMPRISES MAKING SAID ARTICLE A CATHODE IN AN ELECTROPLATING BATH, CONTINUOUSLY FLOWING PAST SAID ARTICLE AN ELECTROPLATING ELECTROLYTE HAVING SUSPENDED THEREIN SOLID PARTICLES WHICH ARE SUBSTANTIALLY INSOLUBLE IN SAID ELECTROLYTE, CONTINUOUSLY MOVING SAID ARTICLE WHILE IN SAID ELECTROLYTE TO CAUSE CONTINUOUS SHEDDING OF UNADHERED PARTICLES FROM THE SURFACE OF SAID ARTICLE DURING SUCH MOVEMENT WHILE SAID ARTICLE IS BEING ELECTROPLATED WITHIN SAID BATH, WITHDRAWING ELECTROLYTE AND PARTICLES FROM SAID BATH, REINTRODUCING CONTROLLED AMOUNTS OF THE WITHDRAWN ELECTROLYTE AND PARTICLES BACK INTO THE BATH TO THEREBY CONTROL THE CONCEN-TRATION OF ADDITIVE PARTICLES IN SAID BATH, AND CONTINUING THE STEPS OF ELECTROLYTE FLOW, ARTICLE MOVEMENT, SHEDDING, AND ELECTROLYTE WITHDRAWAL UNTIL A UNIFORM DISPERSION OFOF DISCRETE PARTICLES WITHIN AN ELECTROPLATED MATRIX IS BUILT UP ON THE ARTICLE.
Claim 3
Independent Claim 148 words
THE METHOD OF ELECTRO-FORMING AN ARTICLE WHICH COMPRISES PROVIDING A MASTER, MAKING SAID MASTER THE CATHODE IN AN ELECTROPLATING BATH, CONTINUOUSLY FLOWING AN ELECTROLYTE CONTAINING A UNIFORM DISPERSION OF SOLID PARTICLES INSOLUBLE IN SAID BATH PAST SAID MASTER TO CAUSE AT LEAST SOME OF THE PARTICLES TO IMPINGE ON SAID MASTER, CONTINUOUSLY ELECTROPLATING METAL FROM SAID BATH ONTO SAID MASTER TO THEREBY TRAP PARTICLES IMPINGING THEREON BY THE DEPOSITED METAL, MOVING SAID MASTER DURING SUCH ELECTROPLATING TO CAUSE CONTINUOUS SHEDDING OF UNADHERED PARTICLES FROM THE SURFACR OF SAID MASTER, COLLECTING NONADHERING PARTICLES, RECIRCULATING THE COLLECTED PARTICLES TOGETHER WITH ELECTROLYTE BACK INTO THE BATH TO MAINTAIN A UNIFORM DISPERSION OF PARTICULES IN SAID BATH, CONTINUING THE FLOWING, IMPINGING AND ELECTROPLATING UNTIL A UNIFORM DISPERSION OF PARTICLES IN AN ELECTROPLATED METAL MATRIX IS BUILT UP AS A SELF-SUSTAINING STRUCTURE ON SAID MASTER, AND THEREAFTER REMOVING THE MASTER FROM THE MATRIX.
Claim 4
Independent Claim 148 words
THE METHOD OF ELECTRO-FORMING AN ARTICLE WHICH COMPRISES PROVIDING A MASTER, MAKING SAID MASTER THE CATHODE IN AN ELECTROPLATING BATH, CONTINUOUSLY FLOWING AN ELECTROLYTE CONTAINING A UNIFORM DISPERSION OF SOLID PARTICLES INSOLUBLE IN SAID BATH PAST SAID MASTER TO CAUSE AT LEAST SOME OF THE PARTICLES TO IMPINGE ON SAID MASTER, CONTINUOUSLY ELECTROPLATING METAL FROM SAID BATH ONTO SAID MASTER TO THEREBY TRAP PARTICLES IMPINGING THEREON BY THE DEPOSITED METAL, MOVING SAID MASTER DURING SUCH ELECTROPLATING TO CAUSE CONTINUOUS SHEDDING OF UNADHERED PARTICLES FROM THE SURFACR OF SAID MASTER, COLLECTING NONADHERING PARTICLES, RECIRCULATING THE COLLECTED PARTICLES TOGETHER WITH ELECTROLYTE BACK INTO THE BATH TO MAINTAIN A UNIFORM DISPERSION OF PARTICULES IN SAID BATH, CONTINUING THE FLOWING, IMPINGING AND ELECTROPLATING UNTIL A UNIFORM DISPERSION OF PARTICLES IN AN ELECTROPLATED METAL MATRIX IS BUILT UP AS A SELF-SUSTAINING STRUCTURE ON SAID MASTER, AND THEREAFTER REMOVING THE MASTER FROM THE MATRIX.

References Cited (Backward Citations)

US1702927A Cited
US2196355A Cited
US2350669A Cited
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US2424140A Cited
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US2878171A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-10-29 1966-04-30 1966-10-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-10-29 1970-04-30 1970-10-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-10-29 1974-04-30 1974-10-30 $7700.00 Window Closed / Lapsed

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