3777111

Information

• Patent Grant
• 3777111

• References
• Source

• Patent Number

  3,777,111

• Date Filed

  Not available

• Date Issued

  Tuesday, December 4, 1973
  51 years ago

• CPC

  • B23K9/22 - Percussion welding
  • B23K35/32 - with the principal constituent melting at more than 1550 degrees C
  • C22F1/18 - high-melting or refractory metals or alloys based thereon

• US Classifications

  • 219 - Electric heating