2185646

Information

• Patent Grant
• 2185646

• References
• Source

• Patent Number

  2,185,646

• Date Filed

  Not available

• Date Issued

  Tuesday, January 2, 1940
  85 years ago

• CPC

  • E05F1/004 - by thermostats, rain, wind or noise
  • Y10T16/281 - Pneumatic

• US Classifications

  • 049 - Movable or removable closures
  • 016 - Miscellaneous hardware