1531107

Information

• Patent Grant
• 1531107

• References
• Source

• Patent Number

  1,531,107

• Date Filed

  Not available

• Date Issued

  Tuesday, March 24, 1925
  100 years ago

• CPC

  • B66B13/04 - of swinging doors

• US Classifications

  • 187 - Elevator, industrial lift truck, or stationary lift for vehicle
  • 049 - Movable or removable closures