3634942

Information

• Patent Grant
• 3634942

• References
• Source

• Patent Number

  3,634,942

• Date Filed

  Not available

• Date Issued

  Tuesday, January 18, 1972
  52 years ago

• CPC

  • B43L9/08 - Proportional compasses or dividers

• US Classifications

  • 033 - Geometrical instruments