1658299

Information

• Patent Grant
• 1658299

• References
• Source

• Patent Number

  1,658,299

• Date Filed

  Not available

• Date Issued

  Tuesday, February 7, 1928
  97 years ago

• CPC

  • G07D5/06 - Testing the hardness or elasticity
  • G07D5/08 - Testing the magnetic or electric properties

• US Classifications

  • 194 - Check-actuated control mechanisms