2528746

Information

• Patent Grant
• 2528746

• References
• Source

• Patent Number

  2,528,746

• Date Filed

  Not available

• Date Issued

  Tuesday, November 7, 1950
  74 years ago

• CPC

  • E05B37/00 - Permutation or combination locks Puzzle locks
  • Y10T70/5642 - Rod
  • Y10T70/7175 - Labyrinthian passage
  • Y10T70/7424 - Tampering prevention or attach defeating
  • Y10T292/1031 - Swinging catch

• US Classifications

  • 070 - Locks
  • 200 - Electricity: circuit makers and breakers
  • 292 - Closure fasteners