1961527

Information

• Patent Grant
• 1961527

• References
• Source

• Patent Number

  1,961,527

• Date Filed

  Not available

• Date Issued

  Tuesday, June 5, 1934
  90 years ago

• CPC

  • B42D3/145 - attached to the back of the cover

• US Classifications

  • 116 - Signals and indicators