1452014

Information

• Patent Grant
• 1452014

• References
• Source

• Patent Number

  1,452,014

• Date Filed

  Not available

• Date Issued

  Tuesday, April 17, 1923
  101 years ago

• CPC

  • E05C17/38 - with a curved rail rigid with the frame for engagement with means on the wing, or vice versa
  • E05B47/00 - Operating or controlling locks or other fastening devices by electric or magnetic means
  • E05C17/62 - using notches
  • Y10T70/7107 - And alternately mechanically actuated by a key, dial, etc.
  • Y10T292/1021 - Motor
  • Y10T292/683 - Segment

• US Classifications

  • 070 - Locks
  • 292 - Closure fasteners