2242950

Information

• Patent Grant
• 2242950

• References
• Source

• Patent Number

  2,242,950

• Date Filed

  Not available

• Date Issued

  Tuesday, May 20, 1941
  83 years ago

• CPC

  • H02H3/307 - involving comparison of quantities derived from a plurality of phases

• US Classifications

  • 361 - Electricity: electrical systems and devices