1741390

Information

• Patent Grant
• 1741390

• References
• Source

• Patent Number

  1,741,390

• Date Filed

  Not available

• Date Issued

  Tuesday, December 31, 1929
  95 years ago

• CPC

  • E05B27/083 - of the split-pin tumbler type
  • E05B15/1614 - of hard materials, to prevent drilling
  • Y10T70/752 - Sliding tumblers
  • Y10T70/7554 - Cylinder type with auxiliary tumblers or wards
  • Y10T70/7571 - Concentric tumblers

• US Classifications

  • 070 - Locks