1511626

Information

• Patent Grant
• 1511626

• References
• Source

• Patent Number

  1,511,626

• Date Filed

  Not available

• Date Issued

  Tuesday, October 14, 1924
  100 years ago

• CPC

  • B23Q1/621 - a single sliding pair followed perpendicularly by a single sliding pair
  • B43L13/041 - with toothed racks

• US Classifications

  • 033 - Geometrical instruments