1393923

Information

• Patent Grant
• 1393923

• References
• Source

• Patent Number

  1,393,923

• Date Filed

  Not available

• Date Issued

  Tuesday, October 18, 1921
  103 years ago

• CPC

  • B23Q16/027 - with means for adjusting the distance between two successive indexing-points
  • G01D13/12 - Graduation

• US Classifications

  • 033 - Geometrical instruments