Fireplace heat loss shield
Patent 4072140 Issued on February 7, 1978. Estimated Expiration Date: 
February 7, 1995. 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.
February 7, 1995. 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 1605200 2432047 2491707 3375818 3830219 InventorApplicationNo. 05/749359 filed on 12/10/1976US Classes:126/547, Solid front cover160/351, PORTABLED23/406ScreenExaminersPrimary: Capossela, Ronald C.Attorney, Agent or FirmAbstractA fireplace heat loss shield having a fabric cover of woven fire resistant material that is emplaceable over the fireplace opening to inhibit loss of heated room air. The cover has pockets sewn along all four edges thereof, into which a rigid, rectangular frame is emplaced. The frame maintains the rectangular shape of the cover, and supports the cover in an upright position over the fireplace opening by horizontally extending legs which are rigidly attached to the supporting portion of the frame, and which extend horizontally outward from openings at the bottom corners of the cover. Draft up the chimney of the fireplace maintains the cover firmly against the edges of the fireplace opening, and air vent openings may be provided in the cover to allow some ventilation of smoldering material in the fireplace area and to relieve the inward suction on the fireplace cover. | |
