1789757

Information

• Patent Grant
• 1789757

• References
• Source

• Patent Number

  1,789,757

• Date Filed

  Not available

• Date Issued

  Tuesday, January 20, 1931
  94 years ago

• CPC

  • E05B17/0062 - with destructive disengagement
  • E05B29/00 - Cylinder locks and other locks with plate tumblers which are set by pushing the key in
  • Y10S70/61 - Die cast cylinder
  • Y10T29/4979 - Breaking through weakened portion
  • Y10T70/7599 - Transverse of plug
  • Y10T70/7684 - Plug
  • Y10T70/7695 - Plate
  • Y10T70/7881 - Bitting
  • Y10T70/7949 - Yielding or frangible connections

• US Classifications

  • 070 - Locks
  • 029 - Metal working