1813734

Information

• Patent Grant
• 1813734

• References
• Source

• Patent Number

  1,813,734

• Date Filed

  Not available

• Date Issued

  Tuesday, July 7, 1931
  93 years ago

• CPC

  • B66B13/04 - of swinging doors

• US Classifications

  • 187 - Elevator, industrial lift truck, or stationary lift for vehicle