2190650

Information

• Patent Grant
• 2190650

• References
• Source

• Patent Number

  2,190,650

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1940
  85 years ago

• CPC

  • G09C3/06 - the connections being mechanical
  • G09C3/08 - the connections being electrical
  • H01F7/1805 - Circuit arrangements for holding the operation of electromagnets or for holding the armature in attracted position with reduced energising current

• US Classifications

  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets
  • 084 - Music
  • 188 - Brakes
  • 361 - Electricity: electrical systems and devices