Patent US2851331A successfully refreshed from Google Patents.
US2851331A
Expired / Lapsed
US
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Electro-deposited mold
Assignee: Ideal Toy Corp
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Filing: 1956-04-23
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Granted: 1958-09-09
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Expires: 1976-04-23
Abstract
No abstract record available.
Inventors
- 👤 Alvin R Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:29
CPC Classifications
C; C25; C25D; C25D1/00; C25D1/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A COOPER-BRONZE MOLD FOR USE IN PLASTISCOL MOLDING, SAID MOLD HAVING AN INNER COPPER SHELL AND AN OUTER BRONZE SHELL INTERGREALLY ELECTRO-DEPOSITED ON SAID INNER COPPER SHELL, THE THICKNESS OF SAID OUTER BRONZE SHELL BEING A MAJOR PART OF THE TOTAL THICKNESS OF SAID SHELL, THE HEAT CONDUCTIVITY OF SAID COOPER-BRONZE MOLD BEING SUBSTANTIALLY EQUAL TO THE HEAT CONUCTIVITY OF COPPER, THE THICKNESS OF SAID COPPER SHELL BEING SUBSTANTIALLY 0.01 INCH, THE THICKNESS OF SAID BRONZE SHELL BEING SUBSTANTIALLY 0.125 INCH, SAID BRONZE SHELL CONSITING SUSTANTIALLY BY WEIGHT OF 88% OF COPPER AND 12% OF TIN.
Claim 2
Dependent Claim
96 words
A COOPER-BRONZE MOLD FOR USE IN PLASTISCOL MOLDING, SAID MOLD HAVING AN INNER COPPER SHELL AND AN OUTER BRONZE SHELL INTERGREALLY ELECTRO-DEPOSITED ON SAID INNER COPPER SHELL, THE THICKNESS OF SAID OUTER BRONZE SHELL BEING A MAJOR PART OF THE TOTAL THICKNESS OF SAID SHELL, THE HEAT CONDUCTIVITY OF SAID COOPER-BRONZE MOLD BEING SUBSTANTIALLY EQUAL TO THE HEAT CONUCTIVITY OF COPPER, THE THICKNESS OF SAID COPPER SHELL BEING SUBSTANTIALLY 0.01 INCH, THE THICKNESS OF SAID BRONZE SHELL BEING SUBSTANTIALLY 0.125 INCH, SAID BRONZE SHELL CONSITING SUSTANTIALLY BY WEIGHT OF 88% OF COPPER AND 12% OF TIN.
References Cited (Backward Citations)
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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) | 1961-09-08 | 1962-03-10 | 1962-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-08 | 1966-03-10 | 1966-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-08 | 1970-03-10 | 1970-09-09 | $7700.00 | Window Closed / Lapsed |