Vacuum pump rotor

Details Vacuum pump rotor Vacuum pump rotor

2000-12-18

2002-04-30

Seifert, Ralf (Department: 2914)

Machines not elsewhere specified

Pump or compressor

Design Patent

active

D0456422

CLAIM:
The ornamental design for a vacuum pump rotor, as shown and described.

REFERENCES:
patent: D258588 (1981-03-01), Sugiura
patent: D258589 (1981-03-01), Sugiura
patent: D264675 (1982-06-01), Inaga et al.
patent: D268112 (1983-03-01), Sugiura
patent: D353600 (1994-12-01), Glass
patent: D443281 (2001-06-01), Sodergard

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