3726017

Information

• Patent Grant
• 3726017

• References
• Source

• Patent Number

  3,726,017

• Date Filed

  Not available

• Date Issued

  Tuesday, April 10, 1973
  51 years ago

• CPC

  • B43L7/08 - with arrangements for attaching additional drawing equipment

• US Classifications

  • 033 - Geometrical instruments