301931

Information

• Patent Grant
• 301931

• References
• Source

• Patent Number

  301,931

• Date Filed

  Not available

• Date Issued

  Tuesday, July 15, 1884
  140 years ago

• CPC

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

• US Classifications

  • 165 - Heat exchange
  • 607 - Surgery: light, thermal, and electrical application