3831442

Information

• Patent Grant
• 3831442

• References
• Source

• Patent Number

  3,831,442

• Date Filed

  Not available

• Date Issued

  Tuesday, August 27, 1974
  50 years ago

• CPC

  • A63B51/005 - Devices for measuring the tension of strings
  • G01L5/06 - using mechanical means

• US Classifications

  • 073 - Measuring and testing