Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Valve or body therefor
Design Patent
2000-04-05
2001-04-24
Zarfas, Louis S. (Department: 2914)
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Valve or body therefor
CD23S252000
Design Patent
active
D0441057
CLAIM:
The ornamental design for a stepped sliding valve handle, as shown and described.
REFERENCES:
patent: D. 291236 (1987-08-01), Delepine
patent: D. 291239 (1987-08-01), Haug et al.
patent: D. 297662 (1988-09-01), Jans
patent: D. 355243 (1995-02-01), Chen
patent: D. 373179 (1996-08-01), Sieger
Antoniello Frank
Warshawsky Jerome
Andoll Gregory
IW Industries Inc.
Walker Alfred M.
Zarfas Louis S,.
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