Hinged window with quick release bar
Patent 3942286 Issued on March 9, 1976. Estimated Expiration Date: 
March 9, 1993. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
March 9, 1993. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 1772177 2015448 2830843 3431677 3432967 InventorsAssigneeApplicationNo. 505968 filed on 09/16/1974US Classes:49/141, WITH SPECIFIED MEANS TO EFFECT EMERGENCY RELEASE TO CLOSURE292/103, Friction catch292/241, Rigid operating means49/278, Handle-camming lever49/394With latch or lockExaminersPrimary: Downey, KennethAttorney, Agent or FirmAbstractA window construction which is characterized by a sash frame hingedly mounted at the top of an opening in a generally vertical wall and provided with a latching mechanism comprising keepers on the inside face of the wall adjacent the bottom of the wall opening and a combination latch engaging and release bar pivotally mounted on the bottom of the sash frame so as to be swung into keeper engagement when the sash frame is hinged to closed position and to be readily swung to a position where the sash frame is released for opening movement. | |
