1650880

Information

• Patent Grant
• 1650880

• References
• Source

• Patent Number

  1,650,880

• Date Filed

  Not available

• Date Issued

  Tuesday, November 29, 1927
  97 years ago

• CPC

  • E06B3/5063 - the vertical sliding wings having the possibility of an additional rotational movement
  • E06B3/50 - with more than one kind of movement
  • Y10T16/644 - Rack and pinion

• US Classifications

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