3211991

Information

• Patent Grant
• 3211991

• References
• Source

• Patent Number

  3,211,991

• Date Filed

  Not available

• Date Issued

  Tuesday, October 12, 1965
  59 years ago

• CPC

  • G01G3/145 - involving comparison with a reference value
  • Y10T74/20 - Control lever and linkage systems
  • Y10T74/20882 - Rocker arms

• US Classifications

  • 073 - Measuring and testing
  • 074 - Machine element or mechanism
  • 177 - Weighing scales
  • 324 - Electricity: measuring and testing
  • 702 - Data processing: measuring, calibrating, or testing