1976720

Information

• Patent Grant
• 1976720

• References
• Source

• Patent Number

  1,976,720

• Date Filed

  Not available

• Date Issued

  Tuesday, October 16, 1934
  90 years ago

• CPC

  • B65D51/20 - Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing
  • B65D2251/0015 - of the 41-type
  • B65D2251/0084 - of the B65D43/16-type
  • Y10T137/88054 - Direct response normally closed valve limits direction of flow

• US Classifications

  • 220 - Receptacles
  • 137 - Fluid handling
  • 251 - Valves and valve actuation