2439637

Information

• Patent Grant
• 2439637

• References
• Source

• Patent Number

  2,439,637

• Date Filed

  Not available

• Date Issued

  Tuesday, April 13, 1948
  76 years ago

• CPC

  • B23K5/12 - taking account of the properties of the material to be welded

• US Classifications

  • 148 - Metal treatment