2158010

Information

• Patent Grant
• 2158010

• References
• Source

• Patent Number

  2,158,010

• Date Filed

  Not available

• Date Issued

  Tuesday, May 9, 1939
  85 years ago

• CPC

  • G10B1/04 - electrically operated

• US Classifications

  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets
  • 084 - Music