3221657

Information

• Patent Grant
• 3221657

• References
• Source

• Patent Number

  3,221,657

• Date Filed

  Not available

• Date Issued

  Tuesday, December 7, 1965
  59 years ago

• CPC

  • F42C14/08 - for land mines
  • F42C7/06 - and comprising pneumatic or hydraulic retarding means
  • F42C15/33 - by breaking a vacuum or pressure container

• US Classifications

  • 102 - Ammunition and explosives