1561970

Information

• Patent Grant
• 1561970

• References
• Source

• Patent Number

  1,561,970

• Date Filed

  Not available

• Date Issued

  Tuesday, November 17, 1925
  99 years ago

• CPC

  • G01N3/064 - with hydraulic indicating or recording means

• US Classifications

  • 073 - Measuring and testing