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US2679473A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of preparing molds to produce crackle and other surface finishes on molded plastic articles

Assignee: Consolidated Molded Products Corp
•
Filing: 1952-05-23
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Granted: 1954-05-25
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Expires: 1972-05-23
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Abstract

No abstract record available.

Inventors

  • 👤 Charles K Swartz

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 05:21
CPC Classifications
C; C25; C25D; C25D1/00; C25D1/10; B; B29; B29C; B29C33/00; B29C33/42; B29C33/424; B29C33/428; B29C33/56

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 117 words
A METHOD OF MAKING A MOLD FOR FORMING PLASTIC ARTICLES HAVING A TEXTURED SURFACE, COMPRISING APPLYING TO A SURFACE OF A MODEL OF AN ARTICLE TO BE REPRODUCED IN PLASTIC A COATING OF A TEXTURE ENAMEL, TREATING THE ENAMEL TO DEVELOP ITS TEXTURE, APPLYING A CONDUCTIVE MATERIAL TO THE SURFACES OF THE MODEL TO BE REPRODUCED, ELECTRO-DEPOSITING A METAL OF THE CLASS CONSISTING OF IRON AND NICKLE ON THE CONDUCTIVE SURFACES OF THE ARTICLE TO FORM A SHELL ABOUT ONE-EIGHTH OF AN INCH THICK CAPABLE OF WITHSTANDING THE PRESSURES INVOLVED IN THE MOLDING OF PLASTIC ARTICLES, SAID SHELL HAVING A SURFACE PORTION COMPLEMENTAL TO THE TEXTURE SURFACE ON THE ARTICLE, AND REMOVING THE SHELL FROM THE ARTICLE.
Claim 2
Independent Claim 117 words
A METHOD OF MAKING A MOLD FOR FORMING PLASTIC ARTICLES HAVING A TEXTURED SURFACE, COMPRISING APPLYING TO A SURFACE OF A MODEL OF AN ARTICLE TO BE REPRODUCED IN PLASTIC A COATING OF A TEXTURE ENAMEL, TREATING THE ENAMEL TO DEVELOP ITS TEXTURE, APPLYING A CONDUCTIVE MATERIAL TO THE SURFACES OF THE MODEL TO BE REPRODUCED, ELECTRO-DEPOSITING A METAL OF THE CLASS CONSISTING OF IRON AND NICKLE ON THE CONDUCTIVE SURFACES OF THE ARTICLE TO FORM A SHELL ABOUT ONE-EIGHTH OF AN INCH THICK CAPABLE OF WITHSTANDING THE PRESSURES INVOLVED IN THE MOLDING OF PLASTIC ARTICLES, SAID SHELL HAVING A SURFACE PORTION COMPLEMENTAL TO THE TEXTURE SURFACE ON THE ARTICLE, AND REMOVING THE SHELL FROM THE ARTICLE.

References Cited (Backward Citations)

US243306A Cited
US556975A Cited
US2019590A Cited
US956764A Cited
US1208808A Cited
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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) 1957-05-24 1957-11-23 1958-05-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-05-24 1961-11-23 1962-05-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-05-24 1965-11-23 1966-05-25 $7700.00 Window Closed / Lapsed

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