1654440

Information

• Patent Grant
• 1654440

• References
• Source

• Patent Number

  1,654,440

• Date Filed

  Not available

• Date Issued

  Tuesday, December 27, 1927
  96 years ago

• CPC

  • E05B37/00 - Permutation or combination locks Puzzle locks
  • Y10T70/317 - Hasp-carried
  • Y10T70/7175 - Labyrinthian passage
  • Y10T70/8378 - Knobs, hand grips, etc.

• US Classifications

  • 070 - Locks