1381792

Information

• Patent Grant
• 1381792

• References
• Source

• Patent Number

  1,381,792

• Date Filed

  Not available

• Date Issued

  Tuesday, June 14, 1921
  103 years ago

• CPC

  • F42B22/02 - Contact mines
  • F42C19/04 - Protective caps

• US Classifications

  • 102 - Ammunition and explosives