3777990

Information

• Patent Grant
• 3777990

• References
• Source

• Patent Number

  3,777,990

• Date Filed

  Not available

• Date Issued

  Tuesday, December 11, 1973
  51 years ago

• CPC

  • B29C45/234 - Valves opened by the pressure of the moulding material

• US Classifications

  • 239 - Fluid sprinkling, spraying, and diffusing