Patent US2679473A successfully refreshed from Google Patents.
US2679473A
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US
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Method of preparing molds to produce crackle and other surface finishes on molded plastic articles
Assignee: Consolidated Molded Products Corp
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Filing: 1952-05-23
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Granted: 1954-05-25
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Expires: 1972-05-23
Abstract
No abstract record available.
Inventors
- 👤 Charles K Swartz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:49
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
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US2019590A
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US956764A
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US1834763A
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US1930826A
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US2182775A
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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 |