2171138

Information

• Patent Grant
• 2171138

• References
• Source

• Patent Number

  2,171,138

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1939
  85 years ago

• CPC

  • E05B37/00 - Permutation or combination locks Puzzle locks
  • Y10T70/7271 - Associated movable operator
  • Y10T70/7395 - Friction holder
  • Y10T70/7418 - Dials

• US Classifications

  • 070 - Locks