2154229

Information

• Patent Grant
• 2154229

• References
• Source

• Patent Number

  2,154,229

• Date Filed

  Not available

• Date Issued

  Tuesday, April 11, 1939
  86 years ago

• CPC

  • E05F1/004 - by thermostats, rain, wind or noise
  • Y10T16/27 - Checks and closers
  • Y10T70/7034 - Clockwork control
  • Y10T292/0885 - Roller

• US Classifications

  • 049 - Movable or removable closures
  • 016 - Miscellaneous hardware
  • 070 - Locks
  • 292 - Closure fasteners