2573611

Information

• Patent Grant
• 2573611

• References
• Source

• Patent Number

  2,573,611

• Date Filed

  Not available

• Date Issued

  Tuesday, October 30, 1951
  73 years ago

• CPC

  • B43L7/125 - Comprising at least two straightedges remaining parallel
  • B43L7/12 - Square and pivoted straightedges

• US Classifications

  • 033 - Geometrical instruments