1417635

Information

• Patent Grant
• 1417635

• References
• Source

• Patent Number

  1,417,635

• Date Filed

  Not available

• Date Issued

  Tuesday, May 30, 1922
  102 years ago

• CPC

  • C10J3/28 - fully automatic

• US Classifications

  • 048 - Gas: heating and illuminating
  • 236 - Automatic temperature and humidity regulation
  • 374 - Thermal measuring and testing