3303974

Information

• Patent Grant
• 3303974

• References
• Source

• Patent Number

  3,303,974

• Date Filed

  Not available

• Date Issued

  Tuesday, February 14, 1967
  58 years ago

• CPC

  • B65G53/4675 - with flexible wall parts
  • B65D90/56 - operating by deformation of flexible walls
  • F04B43/1133 - with fluid-actuated pump inlet or outlet valves; with two or more pumping chambers in series

• US Classifications

  • 222 - Dispensing
  • 251 - Valves and valve actuation