3900148

Information

• Patent Grant
• 3900148

• References
• Source

• Patent Number

  3,900,148

• Date Filed

  Not available

• Date Issued

  Tuesday, August 19, 1975
  49 years ago

• CPC

  • F16L13/0281 - cold welded
  • B23K9/0061 - Underwater arc welding
  • B23K20/085 - for tubes

• US Classifications

  • 228 - Metal fusion bonding