Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Fitting
Design Patent
2006-07-28
2008-11-18
Zarfas, Louis S (Department: 2914)
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Fitting
Design Patent
active
D0581032
CLAIM:
The ornamental design for a vent cap, as shown and described.
REFERENCES:
patent: D135039 (1943-02-01), Rowland
patent: D135040 (1943-02-01), Rowland
patent: D135628 (1943-05-01), Heiman
patent: D167736 (1952-09-01), Bowman
patent: D180809 (1957-08-01), Alhambra
patent: D188962 (1960-10-01), Zeller
patent: 3082677 (1963-03-01), Pease
patent: D256948 (1980-09-01), Boersma
patent: D284094 (1986-06-01), Liniger
patent: D348924 (1994-07-01), Merrett
patent: 2008/0096480 (2008-04-01), Parry
Green Bruce M.
Oyen Wiggs Green & Mutala LLP
Pratt Michael A
Zarfas Louis S
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