3897681

Information

• Patent Grant
• 3897681

• References
• Source

• Patent Number

  3,897,681

• Date Filed

  Not available

• Date Issued

  Tuesday, August 5, 1975
  49 years ago

• CPC

  • G01G3/165 - Constructional details
  • G01G1/246 - of the parallelogram type
  • G01G21/244 - combined with flexure-plate fulcrums
  • G01L1/086 - using electrostatic or electromagnetic counterbalancing forces
  • G01L1/106 - Constructional details
  • Y10S73/01 - Vibration

• US Classifications

  • 073 - Measuring and testing
  • 177 - Weighing scales