3699688

Information

• Patent Grant
• 3699688

• References
• Source

• Patent Number

  3,699,688

• Date Filed

  Not available

• Date Issued

  Tuesday, October 24, 1972
  52 years ago

• CPC

  • E02B17/0872 - with locking pins engaging holes or cam surfaces
  • E02B17/021 - with relative movement between supporting construction and platform
  • E02B2017/0056 - Platforms with supporting legs
  • E02B2017/0086 - Large footings connecting several legs or serving as a reservoir for the storage of oil or gas
  • Y10T29/49828 - Progressively advancing of work assembly station or assembled portion of work

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 029 - Metal working
  • 175 - Boring or penetrating the earth
  • 414 - Material or article handling