Machines not elsewhere specified – Pump or compressor
Design Patent
2008-04-15
2008-12-23
Seifert, R. (Department: 2914)
Machines not elsewhere specified
Pump or compressor
Design Patent
active
D0583391
CLAIM:
The ornamental design for a pump impeller, as shown.
REFERENCES:
patent: D368480 (1996-04-01), Thirumalaisamy et al.
patent: 5639217 (1997-06-01), Ohtsuki et al.
patent: D535523 (2007-01-01), White
patent: D545326 (2007-06-01), Zellers
patent: D554150 (2007-10-01), Fausett et al.
Flextool (Aust) Pty Ltd
Goldberg Richard M.
Seifert R.
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