3905215

Information

• Patent Grant
• 3905215

• References
• Source

• Patent Number

  3,905,215

• Date Filed

  Not available

• Date Issued

  Tuesday, September 16, 1975
  50 years ago

• CPC

  • G01V7/10 - using torsion balances

• US Classifications

  • 073 - Measuring and testing
  • 177 - Weighing scales
  • 356 - Optics: measuring and testing