2425713

Information

• Patent Grant
• 2425713

• References
• Source

• Patent Number

  2,425,713

• Date Filed

  Not available

• Date Issued

  Tuesday, August 19, 1947
  77 years ago

• CPC

  • G01C3/16 - Measuring marks

• US Classifications

  • 356 - Optics: measuring and testing
  • 042 - Firearms