1511890

Information

• Patent Grant
• 1511890

• References
• Source

• Patent Number

  1,511,890

• Date Filed

  Not available

• Date Issued

  Tuesday, October 14, 1924
  100 years ago

• CPC

  • F25B17/04 - with two or more boilers operating alternately
  • F25B49/046 - Operating intermittently

• US Classifications

  • 062 - Refrigeration