Backpack canister vacuum cleaner

Details Backpack canister vacuum cleaner Backpack canister vacuum cleaner

2006-05-23

2006-05-23

McInroy, Ruth (Department: 2915)

Washing, cleaning, or drying machine

Washing, cleaning, or drying machine

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

Design Patent

active

D0521695

CLAIM:
An ornamental design for a backpack canister vacuum cleaner, as shown and described.

REFERENCES:
patent: D312517 (1990-11-01), Hohrein et al.
patent: D315234 (1991-03-01), Frisell
patent: D326747 (1992-06-01), Stickle
patent: D398426 (1998-09-01), Bisson
patent: D446365 (2001-08-01), Bisson
patent: D455531 (2002-04-01), Cartellone
patent: D459039 (2002-06-01), Bisson
patent: 6553610 (2003-04-01), Shideler

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