2184251

Information

• Patent Grant
• 2184251

• References
• Source

• Patent Number

  2,184,251

• Date Filed

  Not available

• Date Issued

  Tuesday, December 19, 1939
  85 years ago

• CPC

  • B01F15/00805 - by moving them perpendicular to the plane of the opening

• US Classifications

  • 220 - Receptacles
  • 049 - Movable or removable closures