3640137

Information

• Patent Grant
• 3640137

• References
• Source

• Patent Number

  3,640,137

• Date Filed

  Not available

• Date Issued

  Tuesday, February 8, 1972
  52 years ago

• CPC

  • G01C21/18 - Stabilised platforms
  • Y10T74/1221 - Multiple gyroscopes
  • Y10T74/1232 - Erecting

• US Classifications

  • 074 - Machine element or mechanism
  • 073 - Measuring and testing