3720306

Information

• Patent Grant
• 3720306

• References
• Source

• Patent Number

  3,720,306

• Date Filed

  Not available

• Date Issued

  Tuesday, March 13, 1973
  51 years ago

• CPC

  • H01J9/22 - Applying luminescent coatings
  • B07B2230/04 - The screen or the screened materials being subjected to ultrasonic vibration

• US Classifications

  • 209 - Classifying, separating, and assorting solids