3820959

Information

• Patent Grant
• 3820959

• References
• Source

• Patent Number

  3,820,959

• Date Filed

  Not available

• Date Issued

  Friday, June 28, 1974
  50 years ago

• CPC

  • A61M16/104 - specially adapted for anaesthetics
  • A61M16/0087 - Environmental safety or protection means
  • Y10S128/909 - Breathing apparatus with means for preventing patient cross-contamination

• US Classifications

  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing
  • 128 - Surgery