2797892

Information

• Patent Grant
• 2797892

• References
• Source

• Patent Number

  2,797,892

• Date Filed

  Not available

• Date Issued

  Tuesday, July 2, 1957
  68 years ago

• CPC

  • F42D5/045 - Detonation-wave absorbing or damping means
  • E21B7/007 - Drilling by use of explosives
  • F42D5/055 - Silencing means for blasting operations

• US Classifications

  • 175 - Boring or penetrating the earth
  • 102 - Ammunition and explosives