1020751

Information

• Patent Grant
• 1020751

• References
• Source

• Patent Number

  1,020,751

• Date Filed

  Not available

• Date Issued

  Tuesday, March 19, 1912
  112 years ago

• CPC

  • B66B13/06 - of sliding doors
  • Y10T16/66 - Chain

• US Classifications

  • 016 - Miscellaneous hardware