3407818

Information

• Patent Grant
• 3407818

• References
• Source

• Patent Number

  3,407,818

• Date Filed

  Not available

• Date Issued

  Tuesday, October 29, 1968
  56 years ago

• CPC

  • A61F7/007 - characterised by electric heating
  • A41F9/002 - Free belts
  • A61F2007/0026 - Middle part of back
  • A61F2007/008 - with a separate, portable battery pack

• US Classifications

  • 607 - Surgery: light, thermal, and electrical application
  • 219 - Electric heating