Brushing – scrubbing – and general cleaning – Accessories – Debris receptacle
Reexamination Certificate
1999-10-20
2001-05-22
Spisich, Mark (Department: 1744)
Brushing, scrubbing, and general cleaning
Accessories
Debris receptacle
C015S257600, C015S257700, C015S257900, C294S055500, CD32S074000
Reexamination Certificate
active
06233780
ABSTRACT:
The present invention relates to a device for picking up debris. More particularly the present invention relates to an improved dust pan. Most particularly the present invention relates to a dust pan which provides improved means for removing the debris from the dust pan.
BACKGROUND OF THE PRESENT INVENTION
Dust pan of numerous shapes and sizes are known in the art. Dust pans are useful for cleaning in and about the home and commercial and industrial buildings. Dust pans typically have a broad shallow container or scoop attached to a handle, the scoop or container being open on one edge. The scoop is rested on the ground and a broom or other implement is used to push dust or other debris over the edge and into the scoop. The scoop is then manipulated like a shovel, to lift and dump the debris into a receptacle out of the same open end through which the debris or dust originally entered. Exemplary dust pan devices of the prior art include Coffey, U.S. Pat. No. 4,048,692; Marttinen, U.S. Pat. No. 4,562,611; Kahan, U.S. Pat. No. 4,686,734; and Vosbikian et al., U.S. Pat. No. 5,367,737.
However, all of the prior art dust pan devices suffer from a common drawback, namely, they have a tendency to spill a portion of the debris upon emptying. It would therefore solve a long felt need in the art if this drawback were to be overcome and a dust pan provided which was structured to substantially reduce if not eliminate spillage of debris when the dust pan is emptied.
REFERENCES:
patent: D. 123510 (1940-11-01), Prentice
patent: 371612 (1887-10-01), McDougal
patent: 452696 (1891-05-01), Downing
patent: 768871 (1904-08-01), Albertson
patent: 1053438 (1913-02-01), Resch
patent: 4048692 (1977-09-01), Coffey
patent: 4562611 (1986-01-01), Marttinen
patent: 4686734 (1987-08-01), Kahan
patent: 4709440 (1987-12-01), Conelly
patent: 5031277 (1991-07-01), Coker
patent: 5367737 (1994-11-01), Vosbikian et al.
patent: 5715564 (1998-02-01), Knouse
patent: 2499841 (1982-08-01), None
patent: 189994 (1922-12-01), None
patent: 478722 (1936-04-01), None
Hedman & Costigan ,P.C.
Spisich Mark
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