1252454

Information

• Patent Grant
• 1252454

• References
• Source

• Patent Number

  1,252,454

• Date Filed

  Not available

• Date Issued

  Tuesday, January 8, 1918
  107 years ago

• CPC

  • E05B85/22 - Rectilinearly moving bolts
  • Y10S70/64 - Door spanning bolt
  • Y10S292/17 - Hinge edge latches
  • Y10S292/61 - Spring devices
  • Y10T70/5159 - Emergency exit
  • Y10T292/0822 - Emergency operating means
  • Y10T292/0886 - Sliding and swinging
  • Y10T292/0908 - Emergency operating means
  • Y10T292/1037 - Pivoted end

• US Classifications

  • 292 - Closure fasteners
  • 070 - Locks