3443906

Information

• Patent Grant
• 3443906

• References
• Source

• Patent Number

  3,443,906

• Date Filed

  Not available

• Date Issued

  Tuesday, May 13, 1969
  55 years ago

• CPC

  • F24F3/16 - by purification
  • A62B21/00 - Devices for producing oxygen from chemical substances for respiratory apparatus
  • A62B23/04 - for gasproof shelters
  • B01D53/34 - Chemical or biological purification of waste gases

• US Classifications

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