1672617

Information

• Patent Grant
• 1672617

• References
• Source

• Patent Number

  1,672,617

• Date Filed

  Not available

• Date Issued

  Tuesday, June 5, 1928
  96 years ago

• CPC

  • F22B37/18 - Inserts
  • F28F13/125 - by stirring

• US Classifications

  • 122 - Liquid heaters and vaporizers
  • 138 - Pipes and tubular conduits