2821920

Information

• Patent Grant
• 2821920

• References
• Source

• Patent Number

  2,821,920

• Date Filed

  Not available

• Date Issued

  Tuesday, February 4, 1958
  66 years ago

• CPC

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

• US Classifications

  • 102 - Ammunition and explosives