1385300

Information

• Patent Grant
• 1385300

• References
• Source

• Patent Number

  1,385,300

• Date Filed

  Not available

• Date Issued

  Tuesday, July 19, 1921
  102 years ago

• CPC

  • H01H9/185 - Fluorescent or phosphorescent symbols or distinguishing marks

• US Classifications

  • 250 - Radiant energy