2254589

Information

• Patent Grant
• 2254589

• References
• Source

• Patent Number

  2,254,589

• Date Filed

  Not available

• Date Issued

  Tuesday, September 2, 1941
  83 years ago

• CPC

  • H04Q1/34 - Impulse regenerators with mechanical or other non-electrical marking arrangements

• US Classifications

  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets
  • 178 - Telegraphy
  • 200 - Electricity: circuit makers and breakers