3680839

Information

• Patent Grant
• 3680839

• References
• Source

• Patent Number

  3,680,839

• Date Filed

  Not available

• Date Issued

  Tuesday, August 1, 1972
  52 years ago

• CPC

  • B66B9/00 - Kinds or types of lifts in, or associated with, buildings or other structures
  • B66B9/027 - by rope climbing devices

• US Classifications

  • 254 - Implements or apparatus for applying pushing or pulling force