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2421928
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Information
Patent Grant
2421928
References
Source
Patent Number
2,421,928
Date Filed
Not available
Date Issued
Tuesday, June 10, 1947
77 years ago
CPC
B29D19/04 - by cutting, milling, turning, stamping, or perforating moulded parts Surface treatment of buttons
B29C33/0033 - constructed for making articles provided with holes
B29C37/0003 - Discharging moulded articles from the mould
B29D19/00 - Producing buttons or semi-finished parts of buttons
B29C43/00 - Compression moulding
B29L2019/00 - Buttons or semi-finished parts of buttons for haberdashery
US Classifications
264 - Plastic and nonmetallic article shaping or treating: processes
164 - Metal founding
249 - Static molds
425 - Plastic article or earthenware shaping or treating: apparatus
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