1998679

Information

• Patent Grant
• 1998679

• References
• Source

• Patent Number

  1,998,679

• Date Filed

  Not available

• Date Issued

  Tuesday, April 23, 1935
  90 years ago

• CPC

  • A61L2/04 - Heat
  • A61L9/00 - Disinfection, sterilisation or deodorisation of air
  • Y10S165/004 - Sight glass

• US Classifications

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