1809784

Information

• Patent Grant
• 1809784

• References
• Source

• Patent Number

  1,809,784

• Date Filed

  Not available

• Date Issued

  Tuesday, June 9, 1931
  93 years ago

• CPC

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

• US Classifications

  • 033 - Geometrical instruments
  • 101 - Printing