1872505

Information

• Patent Grant
• 1872505

• References
• Source

• Patent Number

  1,872,505

• Date Filed

  Not available

• Date Issued

  Tuesday, August 16, 1932
  92 years ago

• CPC

  • B43L11/045 - with cords or like flexible elements

• US Classifications

  • 033 - Geometrical instruments