3863327

Information

• Patent Grant
• 3863327

• References
• Source

• Patent Number

  3,863,327

• Date Filed

  Not available

• Date Issued

  Tuesday, February 4, 1975
  49 years ago

• CPC

  • B23K20/085 - for tubes
  • B21D39/042 - using explosives

• US Classifications

  • 228 - Metal fusion bonding
  • 072 - Metal deforming