3705972

Information

• Patent Grant
• 3705972

• References
• Source

• Patent Number

  3,705,972

• Date Filed

  Not available

• Date Issued

  Tuesday, December 12, 1972
  52 years ago

• CPC

  • F28F1/124 - and being formed of pins
  • B23K9/203 - of cooling fins

• US Classifications

  • 219 - Electric heating
  • 165 - Heat exchange