Impeller for a pump

Details Impeller for a pump Impeller for a pump

1998-09-29

2001-06-05

Seifert, Ralf (Department: 2914)

Machines not elsewhere specified

Pump or compressor

Design Patent

active

D0443281

CLAIM:
The ornamental design for a impeller for a pump, as shown.

REFERENCES:
patent: D. 258588 (1981-03-01), Sugiura
patent: D. 258589 (1981-03-01), Sugiura
patent: D. 262538 (1982-01-01), Erikson
patent: 2767906 (1956-10-01), Doyle
patent: 3953150 (1976-04-01), Onal
patent: 4666373 (1987-05-01), Sugiura

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