3800577

Information

• Patent Grant
• 3800577

• References
• Source

• Patent Number

  3,800,577

• Date Filed

  Not available

• Date Issued

  Tuesday, April 2, 1974
  50 years ago

• CPC

  • E05B37/00 - Permutation or combination locks Puzzle locks
  • Y10T70/7311 - Step-by-step
  • Y10T70/7367 - Tumbler structure and position
  • Y10T70/7424 - Tampering prevention or attach defeating

• US Classifications

  • 070 - Locks