3491687

Information

• Patent Grant
• 3491687

• References
• Source

• Patent Number

  3,491,687

• Date Filed

  Not available

• Date Issued

  Tuesday, January 27, 1970
  55 years ago

• CPC

  • G08B3/14 - using explosives
  • F42B3/00 - Blasting cartridges

• US Classifications

  • 102 - Ammunition and explosives
  • 181 - Acoustics