3530539

Information

• Patent Grant
• 3530539

• References
• Source

• Patent Number

  3,530,539

• Date Filed

  Not available

• Date Issued

  Tuesday, September 29, 1970
  54 years ago

• CPC

  • B29C45/2806 - consisting of needle valve systems
  • B29C2045/2834 - Needle valves driven by a lever
  • B29C2045/2879 - Back flow of material into nozzle channel

• US Classifications

  • 425 - Plastic article or earthenware shaping or treating: apparatus
  • 164 - Metal founding