2292230

Information

• Patent Grant
• 2292230

• References
• Source

• Patent Number

  2,292,230

• Date Filed

  Not available

• Date Issued

  Tuesday, August 4, 1942
  82 years ago

• CPC

  • G01J3/46 - Measurement of colour Colour measuring devices
  • G01J3/51 - using colour filters
  • G01J2003/466 - Coded colour; Recognition of predetermined colour; Determining proximity to predetermined colour
  • Y10T24/2189 - Circular flange container clamp

• US Classifications

  • 356 - Optics: measuring and testing
  • 024 - Buckles, buttons, clasps, etc.