509393

Information

• Patent Grant
• 509393

• References
• Source

• Patent Number

  509,393

• Date Filed

  Not available

• Date Issued

  Tuesday, November 28, 1893
  131 years ago

• CPC

  • F24J2/542 - with vertical primary axis
  • F24J2/16 - having flat plates
  • F24J2002/5298 - Means for preventing theft; Locking means
  • F24J2002/5458 - in the form of flexible elements
  • F24J2002/5479 - Tracks
  • Y02E10/47 - Mountings or tracking

• US Classifications

  • 126 - Stoves and furnaces