1942470

Information

• Patent Grant
• 1942470

• References
• Source

• Patent Number

  1,942,470

• Date Filed

  Not available

• Date Issued

  Tuesday, January 9, 1934
  91 years ago

• CPC

  • G01C19/44 - for indicating the vertical
  • Y10T74/1246 - by friction

• US Classifications

  • 244 - Aeronautics and astronautics
  • 033 - Geometrical instruments
  • 074 - Machine element or mechanism