Washing – cleaning – or drying machine – Washing – cleaning – or drying machine – Sewer or pipe cleaner
Design Patent
2005-05-03
2005-05-03
Delehanty, Robert A. (Department: 2914)
Washing, cleaning, or drying machine
Washing, cleaning, or drying machine
Sewer or pipe cleaner
Design Patent
active
D0504749
CLAIM:
The ornamental design for an automatic pipe cleaner, as shown.
REFERENCES:
patent: D236166 (1975-07-01), Fishbein
patent: D314649 (1991-02-01), Campbell et al.
patent: 5307534 (1994-05-01), Miller
patent: D437757 (2001-02-01), Thomson et al.
patent: 6550074 (2003-04-01), Allenbaugh et al.
patent: D496568 (2004-09-01), Izumisawa
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