1443383

Information

• Patent Grant
• 1443383

• References
• Source

• Patent Number

  1,443,383

• Date Filed

  Not available

• Date Issued

  Tuesday, January 30, 1923
  103 years ago

• CPC

  • G09F3/02 - Forms or constructions
  • Y10S40/912 - Automobile motor identification
  • Y10S283/901 - Concealed data

• US Classifications

  • 283 - Printed matter
  • 040 - Card, picture, or sign exhibiting