3497381

Information

• Patent Grant
• 3497381

• References
• Source

• Patent Number

  3,497,381

• Date Filed

  Not available

• Date Issued

  Tuesday, February 24, 1970
  54 years ago

• CPC

  • G01G23/34 - combined with price indicators

• US Classifications

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