1839874

Information

• Patent Grant
• 1839874

• References
• Source

• Patent Number

  1,839,874

• Date Filed

  Not available

• Date Issued

  Tuesday, January 5, 1932
  93 years ago

• CPC

  • G07D5/08 - Testing the magnetic or electric properties
  • G07D3/121 - arranged on inclined paths

• US Classifications

  • 194 - Check-actuated control mechanisms