1772596

Information

• Patent Grant
• 1772596

• References
• Source

• Patent Number

  1,772,596

• Date Filed

  Not available

• Date Issued

  Tuesday, August 12, 1930
  94 years ago

• CPC

  • H02K33/04 - wherein the frequency of operation is determined by the frequency of uninterrupted ac energisation
  • H02K33/08 - with dc energisation superimposed on ac energisation

• US Classifications

  • 310 - Electrical generator or motor structure
  • 131 - Tobacco
  • 209 - Classifying, separating, and assorting solids
  • 210 - Liquid purification or separation