3820229

Information

• Patent Grant
• 3820229

• References
• Source

• Patent Number

  3,820,229

• Date Filed

  Not available

• Date Issued

  Friday, June 28, 1974
  50 years ago

• CPC

  • B23K20/085 - for tubes
  • H01R4/08 - effected by an explosion

• US Classifications

  • 228 - Metal fusion bonding