Chimney cap

Details Chimney cap Chimney cap

1978-03-29

1980-06-17

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

D2304

Patent

active

D02554879

REFERENCES:
patent: D180809 (1957-08-01), Rosen
patent: D246464 (1977-11-01), Brazell
patent: 1033060 (1912-07-01), Bos
patent: 1071951 (1913-09-01), Pattison
patent: 1406321 (1922-02-01), Yeldham
patent: 2300128 (1942-10-01), Mattes
patent: 2515467 (1950-07-01), Peterson
patent: 2601663 (1952-06-01), Lamb
patent: 2626557 (1953-01-01), Hersch
patent: 2830526 (1958-04-01), Breidert
patent: 3231004 (1966-01-01), Reed et al.

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