1655683

Information

• Patent Grant
• 1655683

• References
• Source

• Patent Number

  1,655,683

• Date Filed

  Not available

• Date Issued

  Tuesday, January 10, 1928
  97 years ago

• CPC

  • F04D27/0261 - by varying driving speed
  • Y10S60/913 - Collection of reggio patents

• US Classifications

  • 417 - Pumps
  • 060 - Power plants
  • 073 - Measuring and testing
  • 091 - Motors: expansible chamber type
  • 209 - Classifying, separating, and assorting solids
  • 454 - Ventilation