3156809

Information

• Patent Grant
• 3156809

• References
• Source

• Patent Number

  3,156,809

• Date Filed

  Not available

• Date Issued

  Tuesday, November 10, 1964
  60 years ago

• CPC

  • H01J37/3005 - Observing the objects or the point of impact on the object
  • Y10S164/05 - Electron beam

• US Classifications

  • 219 - Electric heating
  • 164 - Metal founding