2634113

Information

• Patent Grant
• 2634113

• References
• Source

• Patent Number

  2,634,113

• Date Filed

  Not available

• Date Issued

  Tuesday, April 7, 1953
  71 years ago

• CPC

  • E21C37/10 - Devices with expanding elastic casings

• US Classifications

  • 299 - Mining or in situ disintegration of hard material
  • 166 - Wells
  • 175 - Boring or penetrating the earth