Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Valve or body therefor
Design Patent
2002-01-31
2003-02-04
Holtje, Nelson C. (Department: 2913)
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Valve or body therefor
Design Patent
active
D0469851
CLAIM:
The ornamental design for a improved dry hydrant system, as shown and described.
REFERENCES:
patent: 691858 (1902-01-01), Hart
patent: 2054561 (1936-09-01), Greenberg
patent: 3515182 (1970-06-01), Dickson et al.
patent: 5082013 (1992-01-01), Scheibe
patent: 5797421 (1998-08-01), Merrett
patent: 5851385 (1998-12-01), Merrett
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