1396607

Information

• Patent Grant
• 1396607

• References
• Source

• Patent Number

  1,396,607

• Date Filed

  Not available

• Date Issued

  Tuesday, November 8, 1921
  103 years ago

• CPC

  • G01G23/22 - combined with price indicators
  • G09F2023/0016 - on pens
  • Y10S116/39 - Dial magnifiers

• US Classifications

  • 359 - Optical: systems and elements
  • 040 - Card, picture, or sign exhibiting
  • 116 - Signals and indicators
  • 177 - Weighing scales