1720164

Information

• Patent Grant
• 1720164

• References
• Source

• Patent Number

  1,720,164

• Date Filed

  Not available

• Date Issued

  Tuesday, July 9, 1929
  95 years ago

• CPC

  • B61D49/00 - Other details
  • B61D39/006 - Opening and closing means

• US Classifications

  • 040 - Card, picture, or sign exhibiting