Sump pump

Details Sump pump Sump pump

2005-01-11

2005-01-11

Seifert, Ralf (Department: 2914)

Machines not elsewhere specified

Pump or compressor

Design Patent

active

D0500770

CLAIM:
The ornamental design for a “sump pump”, as shown and described.

REFERENCES:
patent: D227168 (1973-06-01), Chase et al.
patent: D237011 (1975-09-01), Stroberg
patent: D268412 (1983-03-01), Davis et al.
patent: D351602 (1994-10-01), Rosebraugh et al.
patent: D443881 (2001-06-01), Tsai

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