3426681

Information

• Patent Grant
• 3426681

• References
• Source

• Patent Number

  3,426,681

• Date Filed

  Not available

• Date Issued

  Tuesday, February 11, 1969
  56 years ago

• CPC

  • B21D39/066 - using explosives
  • B23K20/085 - for tubes
  • Y10T29/49375 - including conduit expansion or inflation
  • Y10T29/49805 - Shaping by direct application of fluent pressure

• US Classifications

  • 089 - Ordnance
  • 029 - Metal working
  • 165 - Heat exchange
  • 228 - Metal fusion bonding