Machines not elsewhere specified – Pump or compressor – Compressor
Design Patent
2000-09-14
2002-03-26
Seifert, Ralf (Department: 2914)
Machines not elsewhere specified
Pump or compressor
Compressor
Design Patent
active
D0454888
CLAIM:
The ornamental design for pistons for refrigerant compressors, as shown.
REFERENCES:
patent: 5461967 (1995-10-01), Burkett et al.
patent: 5490767 (1996-02-01), Kanou et al.
patent: D371562 (1996-07-01), Rushfeldt
patent: D417876 (1999-12-01), Kayukawa et al.
patent: D436113 (2001-01-01), Kayukawa et al.
Baker & Botts LLP
Sanden Corporation
Seifert Ralf
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