Brushing – scrubbing – and general cleaning – Implements – Pipe – tube – or conduit cleaner
Patent
1994-12-15
1996-02-20
Spisich, Mark
Brushing, scrubbing, and general cleaning
Implements
Pipe, tube, or conduit cleaner
15104066, 151443, 1523605, 1523607, 1523608, 30169, 30171, D32 49, F23J 302
Patent
active
054918626
ABSTRACT:
A scraper for removing deposits from an interior of a chimney. The inventive device includes an elongated handle having a scraping plate attached to a lower end thereof for engaging and scraping the interior surfaces of the chimney. The scraping plate can be rectangular, semi-circular, or quarter-round in shape so as to accommodate a plurality of disparate chimney interior shapes.
REFERENCES:
patent: D24178 (1895-04-01), Hoffmann
patent: 789258 (1905-05-01), Connolly
patent: 1101283 (1914-06-01), Howd
patent: 1210850 (1917-01-01), Scarr
patent: 1256402 (1918-02-01), Ware
patent: 1361708 (1920-12-01), Garretson
patent: 2264230 (1941-11-01), Anderson
patent: 3091791 (1963-06-01), Czapar, Jr.
patent: 3516106 (1970-06-01), Roefaro
patent: 4028769 (1977-06-01), Coviello et al.
patent: 4490879 (1985-01-01), Colby
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