3878399

Information

• Patent Grant
• 3878399

• References
• Source

• Patent Number

  3,878,399

• Date Filed

  Not available

• Date Issued

  Tuesday, April 15, 1975
  49 years ago

• CPC

  • G01G23/32 - Indicating the weight by optical projection means
  • G01G23/36 - indicating the weight by electrical means
  • G01G23/44 - Coding devices therefor
  • G09F9/3023 - Segmented electronic displays
  • G09F9/305 - being the ends of optical fibres

• US Classifications

  • 250 - Radiant energy
  • 345 - Computer graphics processing and selective visual display systems
  • 385 - Optical waveguides