3805906

Information

• Patent Grant
• 3805906

• References
• Source

• Patent Number

  3,805,906

• Date Filed

  Not available

• Date Issued

  Tuesday, April 23, 1974
  50 years ago

• CPC

  • G01G23/34 - combined with price indicators

• US Classifications

  • 177 - Weighing scales
  • 353 - Optics: image projectors