2950799

Information

• Patent Grant
• 2950799

• References
• Source

• Patent Number

  2,950,799

• Date Filed

  Not available

• Date Issued

  Tuesday, August 30, 1960
  64 years ago

• CPC

  • G07D7/026 - using capacitive sensors
  • G07D7/004 - using digital security elements
  • G07D7/023 - Measuring conductivity by direct contact
  • G07D7/12 - Visible light, infra-red or ultra violet radiation
  • G07D7/121 - Illumination assembly details
  • G07D7/164 - Thickness
  • G07D7/182 - Testing stiffness
  • G07D7/20 - Testing patterns thereon

• US Classifications

  • 194 - Check-actuated control mechanisms
  • 209 - Classifying, separating, and assorting solids
  • 235 - Registers
  • 250 - Radiant energy
  • 356 - Optics: measuring and testing
  • 382 - Image analysis