2972422

Information

• Patent Grant
• 2972422

• References
• Source

• Patent Number

  2,972,422

• Date Filed

  Not available

• Date Issued

  Tuesday, February 21, 1961
  63 years ago

• CPC

  • C10B25/14 - Devices for lifting doors

• US Classifications

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