3854217

Information

• Patent Grant
• 3854217

• References
• Source

• Patent Number

  3,854,217

• Date Filed

  Not available

• Date Issued

  Tuesday, December 17, 1974
  50 years ago

• CPC

  • F41G1/20 - coarse and fine
  • F41G1/26 - screw
  • F41G1/467 - for bows

• US Classifications

  • 033 - Geometrical instruments