1521717

Information

• Patent Grant
• 1521717

• References
• Source

• Patent Number

  1,521,717

• Date Filed

  Not available

• Date Issued

  Tuesday, January 6, 1925
  99 years ago

• CPC

  • B21C37/152 - Making rifle and gunbarrels

• US Classifications

  • 042 - Firearms
  • 283 - Printed matter