2489140

Information

• Patent Grant
• 2489140

• References
• Source

• Patent Number

  2,489,140

• Date Filed

  Not available

• Date Issued

  Tuesday, November 22, 1949
  75 years ago

• CPC

  • B66B7/021 - with a particular position in the shaft
  • B66B7/047 - Shoes, sliders

• US Classifications

  • 187 - Elevator, industrial lift truck, or stationary lift for vehicle