1485897

Information

• Patent Grant
• 1485897

• References
• Source

• Patent Number

  1,485,897

• Date Filed

  Not available

• Date Issued

  Tuesday, March 4, 1924
  100 years ago

• CPC

  • G05D23/1386 - for steam and liquid

• US Classifications

  • 236 - Automatic temperature and humidity regulation