1787362

Information

• Patent Grant
• 1787362

• References
• Source

• Patent Number

  1,787,362

• Date Filed

  Not available

• Date Issued

  Tuesday, December 30, 1930
  93 years ago

• CPC

  • B43L13/041 - with toothed racks

• US Classifications

  • 116 - Signals and indicators
  • 040 - Card, picture, or sign exhibiting