3439732

Information

• Patent Grant
• 3439732

• References
• Source

• Patent Number

  3,439,732

• Date Filed

  Not available

• Date Issued

  Tuesday, April 22, 1969
  55 years ago

• CPC

  • B22D17/24 - Accessories for locating and holding cores or inserts
  • B22D19/0072 - for making objects with integrated channels
  • F28F9/266 - by screw-type connections
  • F28F21/088 - for domestic or space-heating systems

• US Classifications

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