2581939

Information

• Patent Grant
• 2581939

• References
• Source

• Patent Number

  2,581,939

• Date Filed

  Not available

• Date Issued

  Tuesday, January 8, 1952
  73 years ago

• CPC

  • H05B6/48 - Circuits
  • B29C33/00 - Moulds or cores Details thereof or accessories therefor
  • B29C33/08 - for dielectric heating
  • B29C33/565 - Consisting of shell-like structures supported by backing material
  • B29K2021/00 - Use of unspecified rubbers as moulding material
  • B29K2909/00 - Use of inorganic materials not provided for in groups B29K2803/00 - B29K2807/00, as mould material
  • B29K2909/08 - Glass
  • B29K2911/14 - Wood
  • B29L2030/00 - Pneumatic or solid tyres or parts thereof
  • Y10S264/46 - Molding using an electrical heat
  • Y10S425/812 - Venting

• US Classifications

  • 425 - Plastic article or earthenware shaping or treating: apparatus
  • 106 - Compositions: coating or plastic
  • 264 - Plastic and nonmetallic article shaping or treating: processes