3447243

Information

• Patent Grant
• 3447243

• References
• Source

• Patent Number

  3,447,243

• Date Filed

  Not available

• Date Issued

  Tuesday, June 3, 1969
  55 years ago

• CPC

  • B43L11/045 - with cords or like flexible elements

• US Classifications

  • 033 - Geometrical instruments