3895747

Information

• Patent Grant
• 3895747

• References
• Source

• Patent Number

  3,895,747

• Date Filed

  Not available

• Date Issued

  Tuesday, July 22, 1975
  49 years ago

• CPC

  • B29C45/28 - Closure devices therefor
  • B29C45/234 - Valves opened by the pressure of the moulding material
  • Y10T137/7879 - Resilient material valve
  • Y10T137/7887 - Center flexing strip

• US Classifications

  • 222 - Dispensing
  • 137 - Fluid handling
  • 425 - Plastic article or earthenware shaping or treating: apparatus