3871477

Information

• Patent Grant
• 3871477

• References
• Source

• Patent Number

  3,871,477

• Date Filed

  Not available

• Date Issued

  Tuesday, March 18, 1975
  50 years ago

• CPC

  • B66F11/04 - for movable platforms or cabins
  • E04F21/1816 - fluid pressure-operated

• US Classifications

  • 182 - Fire escape, ladder, or scaffold
  • 414 - Material or article handling