Combined fireplace air vent and ash drop cover

Details Combined fireplace air vent and ash drop cover Combined fireplace air vent and ash drop cover

1978-12-26

1980-12-02

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

126143, D2303

Patent

active

D02575930

REFERENCES:
patent: 131994 (1872-10-01), Bradford
patent: D156922 (1950-01-01), Sonntag
patent: D179237 (1956-11-01), Bernstein
patent: D195915 (1963-08-01), Moore
patent: D248770 (1978-08-01), Michaelsen
patent: D249543 (1978-09-01), Smith
patent: 2375318 (1945-05-01), Mudgett
patent: 2819711 (1958-01-01), Robinson
patent: 4106475 (1978-08-01), Mayes
patent: 4136666 (1979-01-01), Haas
patent: 4184474 (1980-01-01), Pulliam et al.

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