1808162

Information

• Patent Grant
• 1808162

• References
• Source

• Patent Number

  1,808,162

• Date Filed

  Not available

• Date Issued

  Tuesday, June 2, 1931
  93 years ago

• CPC

  • E21C37/10 - Devices with expanding elastic casings
  • F42B3/00 - Blasting cartridges
  • F42D1/20 - Tamping cartridges

• US Classifications

  • 299 - Mining or in situ disintegration of hard material
  • 285 - Pipe joints or couplings