1446299

Information

• Patent Grant
• 1446299

• References
• Source

• Patent Number

  1,446,299

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1923
  101 years ago

• CPC

  • B66B13/04 - of swinging doors

• US Classifications

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