3487638

Information

• Patent Grant
• 3487638

• References
• Source

• Patent Number

  3,487,638

• Date Filed

  Not available

• Date Issued

  Tuesday, January 6, 1970
  55 years ago

• CPC

  • G01M99/004 - Testing the effects of speed or acceleration
  • G01M7/04 - Monodirectional test stands
  • Y10T29/5113 - Commutator

• US Classifications

  • 073 - Measuring and testing
  • 029 - Metal working