2000948

Information

• Patent Grant
• 2000948

• References
• Source

• Patent Number

  2,000,948

• Date Filed

  Not available

• Date Issued

  Tuesday, May 14, 1935
  89 years ago

• CPC

  • G01V7/12 - using pendulums

• US Classifications

  • 073 - Measuring and testing
  • 250 - Radiant energy
  • 359 - Optical: systems and elements