18243

Information

• Patent Grant
• 18243

• References
• Source

• Patent Number

  18,243

• Date Filed

  Not available

• Date Issued

  Tuesday, September 22, 1857
  169 years ago

• CPC

  • E05B35/007 - the key being a card
  • Y10S70/55 - Unitary multiple springs
  • Y10T70/7531 - Transverse
  • Y10T70/7802 - Multi-part structures
  • Y10T70/7932 - Anti-pick

• US Classifications

  • 070 - Locks