1437785

Information

• Patent Grant
• 1437785

• References
• Source

• Patent Number

  1,437,785

• Date Filed

  Not available

• Date Issued

  Tuesday, December 5, 1922
  101 years ago

• CPC

  • E05B35/10 - with master and pass keys
  • Y10T70/5403 - Dog having a dog
  • Y10T70/5407 - Related dogging means for latch-bolt
  • Y10T70/5478 - Accessible at door edge
  • Y10T70/7469 - Change-key shutout
  • Y10T292/1036 - End lever

• US Classifications

  • 070 - Locks
  • 292 - Closure fasteners