1312805

Information

• Patent Grant
• 1312805

• References
• Source

• Patent Number

  1,312,805

• Date Filed

  Not available

• Date Issued

  Tuesday, August 12, 1919
  106 years ago

• CPC

  • G01N3/062 - with mechanical indicating or recording means
  • G01B11/20 - using brittle lacquer

• US Classifications

  • 073 - Measuring and testing