2020631

Information

• Patent Grant
• 2020631

• References
• Source

• Patent Number

  2,020,631

• Date Filed

  Not available

• Date Issued

  Tuesday, November 12, 1935
  89 years ago

• CPC

  • B66C11/20 - Arrangements

• US Classifications

  • 212 - Traversing hoists
  • 254 - Implements or apparatus for applying pushing or pulling force