3494040

Information

• Patent Grant
• 3494040

• References
• Source

• Patent Number

  3,494,040

• Date Filed

  Not available

• Date Issued

  Tuesday, February 10, 1970
  55 years ago

• CPC

  • A41H11/00 - Tracing-wheels

• US Classifications

  • 101 - Printing
  • 033 - Geometrical instruments
  • D08 - Tools and hardware