1978553

Information

• Patent Grant
• 1978553

• References
• Source

• Patent Number

  1,978,553

• Date Filed

  Not available

• Date Issued

  Tuesday, October 30, 1934
  90 years ago

• CPC

  • B42D5/007 - with light emitting devices

• US Classifications

  • 362 - Illumination
  • 281 - Books, strips, and leaves