2640640

Information

• Patent Grant
• 2640640

• References
• Source

• Patent Number

  2,640,640

• Date Filed

  Not available

• Date Issued

  Tuesday, June 2, 1953
  71 years ago

• CPC

  • B67C3/2628 - and the filling operation stopping when the liquid rises to a level at which it closes a vent opening
  • B67C2003/2645 - Means to avoid overfilling by preventing gas returning from the container into the filling tank via the liquid valve

• US Classifications

  • 141 - Fluent material handling, with receiver or receiver coacting means