2684426

Information

• Patent Grant
• 2684426

• References
• Source

• Patent Number

  2,684,426

• Date Filed

  Not available

• Date Issued

  Tuesday, July 20, 1954
  70 years ago

• CPC

  • B23K9/203 - of cooling fins

• US Classifications

  • 219 - Electric heating
  • 228 - Metal fusion bonding