3628675

Information

• Patent Grant
• 3628675

• References
• Source

• Patent Number

  3,628,675

• Date Filed

  Not available

• Date Issued

  Tuesday, December 21, 1971
  52 years ago

• CPC

  • A01G17/16 - Devices for driving-in or pulling-out props
  • E02F9/14 - Booms only for booms with cable suspension arrangements Cable suspensions
  • E04H12/34 - Arrangements for erecting or lowering towers, masts, poles, chimney stacks, or the like
  • E21B19/087 - by means of a swinging arm

• US Classifications

  • 414 - Material or article handling
  • 212 - Traversing hoists