2249587

Information

• Patent Grant
• 2249587

• References
• Source

• Patent Number

  2,249,587

• Date Filed

  Not available

• Date Issued

  Tuesday, July 15, 1941
  83 years ago

• CPC

  • F22B37/18 - Inserts

• US Classifications

  • 122 - Liquid heaters and vaporizers
  • 138 - Pipes and tubular conduits
  • 165 - Heat exchange