2309757

Information

• Patent Grant
• 2309757

• References
• Source

• Patent Number

  2,309,757

• Date Filed

  Not available

• Date Issued

  Tuesday, February 2, 1943
  82 years ago

• CPC

  • H01H53/12 - Ferraris relays

• US Classifications

  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets
  • 246 - Railway switches and signals