2315287

Information

• Patent Grant
• 2315287

• References
• Source

• Patent Number

  2,315,287

• Date Filed

  Not available

• Date Issued

  Tuesday, March 30, 1943
  81 years ago

• CPC

  • H01K3/305 - Testing of incandescent lamps

• US Classifications

  • 209 - Classifying, separating, and assorting solids
  • 250 - Radiant energy
  • 356 - Optics: measuring and testing