1341739

Information

• Patent Grant
• 1341739

• References
• Source

• Patent Number

  1,341,739

• Date Filed

  Not available

• Date Issued

  Tuesday, June 1, 1920
  104 years ago

• CPC

  • B44B3/06 - Accessories
  • B44B3/003 - using a pendulum

• US Classifications

  • 033 - Geometrical instruments