3103747

Information

• Patent Grant
• 3103747

• References
• Source

• Patent Number

  3,103,747

• Date Filed

  Not available

• Date Issued

  Tuesday, September 17, 1963
  61 years ago

• CPC

  • B43L13/20 - Curve rulers or templets
  • B43L13/048 - with T-squares

• US Classifications

  • 033 - Geometrical instruments