3719998

Information

• Patent Grant
• 3719998

• References
• Source

• Patent Number

  3,719,998

• Date Filed

  Not available

• Date Issued

  Tuesday, March 13, 1973
  51 years ago

• CPC

  • F41J3/0095 - Manufacture of dartboards
  • F41J5/16 - Manually evaluating scores

• US Classifications

  • 033 - Geometrical instruments