1897706

Information

• Patent Grant
• 1897706

• References
• Source

• Patent Number

  1,897,706

• Date Filed

  Not available

• Date Issued

  Tuesday, February 14, 1933
  91 years ago

• CPC

  • E05B43/00 - Time locks
  • Y10T29/5105 - Drill press
  • Y10T70/5159 - Emergency exit
  • Y10T70/704 - Continuously operating once initiated
  • Y10T292/1018 - Gear
  • Y10T292/1031 - Swinging catch

• US Classifications

  • 070 - Locks
  • 029 - Metal working
  • 292 - Closure fasteners