2270541

Information

• Patent Grant
• 2270541

• References
• Source

• Patent Number

  2,270,541

• Date Filed

  Not available

• Date Issued

  Tuesday, January 20, 1942
  83 years ago

• CPC

  • B28B11/0863 - for profiling
  • B28B1/008 - made from two or more materials having different characteristics or properties
  • B28B1/503 - Moulds therefor
  • B28B7/0061 - Moulds, cores or mandrels specially adapted for mechanically working moulding surfaces during moulding or demoulding
  • B28B7/0079 - with surfaces for moulding interlocking means

• US Classifications

  • 425 - Plastic article or earthenware shaping or treating: apparatus
  • 264 - Plastic and nonmetallic article shaping or treating: processes