3643665

Information

• Patent Grant
• 3643665

• References
• Source

• Patent Number

  3,643,665

• Date Filed

  Not available

• Date Issued

  Tuesday, February 22, 1972
  52 years ago

• CPC

  • A61F7/03 - Thermophore, i.e. self-heating
  • F24J1/00 - Apparatus or devices using heat produced by exothermal chemical reactions other than by combustion
  • A61F7/106 - self-cooling
  • A61F2007/0028 - Rectum
  • A61F2007/0253 - using a substance with low conductivity
  • A61F2007/0255 - with a reflective layer
  • A61F2007/0257 - with a fluid impermeable layer
  • A61F2007/0276 - with separate compartments connectable by rupturing a wall or membrane

• US Classifications

  • 607 - Surgery: light, thermal, and electrical application
  • 206 - Special receptacle or package