1780031

Information

• Patent Grant
• 1780031

• References
• Source

• Patent Number

  1,780,031

• Date Filed

  Not available

• Date Issued

  Tuesday, October 28, 1930
  94 years ago

• CPC

  • G07D5/06 - Testing the hardness or elasticity
  • G07D5/02 - Testing the dimensions

• US Classifications

  • 194 - Check-actuated control mechanisms