311552

Information

• Patent Grant
• 311552

• References
• Source

• Patent Number

  311,552

• Date Filed

  Not available

• Date Issued

  Tuesday, February 3, 1885
  140 years ago

• CPC

  • A61F7/02 - Compresses or poultices for effecting heating or cooling
  • Y10S165/049 - Or for heating

• US Classifications

  • 165 - Heat exchange