Pumping device

Details Pumping device Pumping device

2005-08-02

2005-08-02

Seifert, Ralf (Department: 2914)

Machines not elsewhere specified

Pump or compressor

Design Patent

active

D0508058

CLAIM:
The ornamental design for a pumping device, as shown.

REFERENCES:
patent: D273178 (1984-03-01), Dunlap
patent: D293583 (1988-01-01), Dunlap
patent: D309143 (1990-07-01), Yang
patent: D323329 (1992-01-01), Wong
patent: D403331 (1998-12-01), Williams
patent: D406150 (1999-02-01), Wang
patent: D436602 (2001-01-01), Wang
patent: D443736 (2001-06-01), Warth
patent: D458751 (2002-06-01), Hsieh
patent: D472559 (2003-04-01), Metz

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