1573057

Information

• Patent Grant
• 1573057

• References
• Source

• Patent Number

  1,573,057

• Date Filed

  Not available

• Date Issued

  Tuesday, February 16, 1926
  98 years ago

• CPC

  • B43L7/12 - Square and pivoted straightedges
  • B43L9/02 - Compasses
  • B43L9/12 - Dividers
  • B43L13/002 - Angle intersecting devices

• US Classifications

  • 033 - Geometrical instruments
  • D10 - Measuring, testing, or signalling instruments