1942269

Information

• Patent Grant
• 1942269

• References
• Source

• Patent Number

  1,942,269

• Date Filed

  Not available

• Date Issued

  Tuesday, January 2, 1934
  91 years ago

• CPC

  • G05D23/1386 - for steam and liquid

• US Classifications

  • 236 - Automatic temperature and humidity regulation