3876877

Information

• Patent Grant
• 3876877

• References
• Source

• Patent Number

  3,876,877

• Date Filed

  Not available

• Date Issued

  Tuesday, April 8, 1975
  50 years ago

• CPC

  • H01K3/18 - Machines therefor
  • G01B11/00 - Measuring arrangements characterised by the use of optical means
  • G01B11/272 - using photoelectric detection means

• US Classifications

  • 250 - Radiant energy