3890151

Information

• Patent Grant
• 3890151

• References
• Source

• Patent Number

  3,890,151

• Date Filed

  Not available

• Date Issued

  Tuesday, June 17, 1975
  49 years ago

• CPC

  • H01J9/2272 - Devices for carrying out the processes
  • H01J29/07 - Shadow masks for colour television tubes
  • H01J31/206 - with three coplanar electron beams

• US Classifications

  • 430 - Radiation imagery chemistry: process, composition, or product thereof
  • 396 - Photography