3717925

Information

• Patent Grant
• 3717925

• References
• Source

• Patent Number

  3,717,925

• Date Filed

  Not available

• Date Issued

  Tuesday, February 27, 1973
  52 years ago

• CPC

  • B21D39/066 - using explosives
  • B23K20/085 - for tubes
  • Y10T29/49373 - Tube joint and tube plate structure

• US Classifications

  • 228 - Metal fusion bonding
  • 029 - Metal working
  • 165 - Heat exchange
  • 285 - Pipe joints or couplings