1453381

Information

• Patent Grant
• 1453381

• References
• Source

• Patent Number

  1,453,381

• Date Filed

  Not available

• Date Issued

  Tuesday, May 1, 1923
  101 years ago

• CPC

  • B28B1/008 - made from two or more materials having different characteristics or properties
  • B28B7/0067 - with polished or glossy moulding surfaces
  • B28B7/08 - Moulds provided with means for tilting or inverting
  • B28B7/38 - Treating surfaces of moulds, cores, or mandrels to prevent sticking
  • B28B19/00 - Machines or methods for applying the material to surfaces to form a permanent layer thereon

• US Classifications

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