3818395

Information

• Patent Grant
• 3818395

• References
• Source

• Patent Number

  3,818,395

• Date Filed

  Not available

• Date Issued

  Tuesday, June 18, 1974
  50 years ago

• CPC

  • H01J29/823 - around the neck of the tube

• US Classifications

  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets