3516291

Information

• Patent Grant
• 3516291

• References
• Source

• Patent Number

  3,516,291

• Date Filed

  Not available

• Date Issued

  Tuesday, June 23, 1970
  55 years ago

• CPC

  • G01P13/02 - Indicating direction only
  • G01C13/006 - horizontal movement
  • G01P5/006 - the jet used is composed of ionised or radioactive particles
  • G01P5/18 - by measuring the time taken to traverse a fixed distance

• US Classifications

  • 073 - Measuring and testing