Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Valve or body therefor
Design Patent
2006-11-07
2006-11-07
Simmons, Ian (Department: 2916)
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Valve or body therefor
Design Patent
active
D0531697
CLAIM:
The ornamental design for a vacuum breaker, as shown and described.
REFERENCES:
patent: 2028101 (1936-01-01), Fredrickson
patent: 2600731 (1952-06-01), Carlton et al.
patent: D278740 (1985-05-01), Bolgert
patent: D309173 (1990-07-01), Stipe
patent: D319866 (1991-09-01), Rogers
patent: 5360029 (1994-11-01), Goughneour
Fish & Richardson P.C.
Simmons Ian
Stevens Maurice
Watts Drainage Products Inc.
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