1621422

Information

• Patent Grant
• 1621422

• References
• Source

• Patent Number

  1,621,422

• Date Filed

  Not available

• Date Issued

  Tuesday, March 15, 1927
  97 years ago

• CPC

  • E05B37/00 - Permutation or combination locks Puzzle locks
  • Y10T70/317 - Hasp-carried
  • Y10T70/7944 - Guard tumbler

• US Classifications

  • 070 - Locks