3056266

Information

• Patent Grant
• 3056266

• References
• Source

• Patent Number

  3,056,266

• Date Filed

  Not available

• Date Issued

  Tuesday, October 2, 1962
  62 years ago

• CPC

  • E21D7/00 - Shaft equipment

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 052 - Static structures