3891186

Information

• Patent Grant
• 3891186

• References
• Source

• Patent Number

  3,891,186

• Date Filed

  Not available

• Date Issued

  Tuesday, June 24, 1975
  49 years ago

• CPC

  • E02D7/16 - Scaffolds or supports for drivers
  • E02D3/10 - by watering, draining, de-aerating or blasting
  • E02F5/101 - forming during digging
  • E02F5/20 - for vertical holes

• US Classifications

  • 254 - Implements or apparatus for applying pushing or pulling force
  • 405 - Hydraulic and earth engineering