Electric vacuum cleaner

Details Electric vacuum cleaner Electric vacuum cleaner

2001-08-23

2002-09-10

McInroy, Ruth (Department: 2914)

Washing, cleaning, or drying machine

Washing, cleaning, or drying machine

Surface treatment, e.g., floor, street, etc.

Design Patent

active

D0462814

CLAIM:
The ornamental design for an electric vacuum cleaner, shown and described.

REFERENCES:
patent: 4571772 (1986-02-01), Dyson
patent: D309203 (1990-07-01), Goodrich
patent: 5101532 (1992-04-01), Dyson et al.
patent: 5145499 (1992-09-01), Dyson
patent: D343707 (1994-01-01), Dyson
patent: D429776 (2000-08-01), Gammack et al.
patent: D435945 (2001-01-01), Ikeno et al.
patent: D439379 (2001-03-01), Gammack et al.
patent: D443004 (2001-05-01), Chan
patent: 1064567 (2000-03-01), None
patent: 1064568 (2000-03-01), None
patent: 1073961 (2000-06-01), None
patent: 1078716 (2000-07-01), None

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