672455

Information

• Patent Grant
• 672455

• References
• Source

• Patent Number

  672,455

• Date Filed

  Not available

• Date Issued

  Tuesday, April 23, 1901
  123 years ago

• CPC

  • B43L7/0275 - Triangles
  • Y10S33/16 - Clips and rafters

• US Classifications

  • 033 - Geometrical instruments