3069744

Information

• Patent Grant
• 3069744

• References
• Source

• Patent Number

  3,069,744

• Date Filed

  Not available

• Date Issued

  Tuesday, December 25, 1962
  62 years ago

• CPC

  • B28B21/06 - into moulds having sliding parts
  • B28B21/205 - having a rigid frame inside the inflatable part of the core
  • B28B21/38 - introducing the material wholly or partly under pressure; Injection-moulding machines
  • Y10T29/4981 - Utilizing transitory attached element or associated separate material

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 029 - Metal working