2792917

Information

• Patent Grant
• 2792917

• References
• Source

• Patent Number

  2,792,917

• Date Filed

  Not available

• Date Issued

  Tuesday, May 21, 1957
  67 years ago

• CPC

  • E05F17/001 - of prison cell doors
  • Y10T292/14 - Ball

• US Classifications

  • 049 - Movable or removable closures
  • 292 - Closure fasteners