3624911

Information

• Patent Grant
• 3624911

• References
• Source

• Patent Number

  3,624,911

• Date Filed

  Not available

• Date Issued

  Tuesday, December 7, 1971
  53 years ago

• CPC

  • B25H7/04 - Devices
  • B43L7/08 - with arrangements for attaching additional drawing equipment

• US Classifications

  • 033 - Geometrical instruments