Patent
   D618784
Priority
May 12 2008
Filed
May 12 2008
Issued
Jun 29 2010
Expiry
Jun 29 2024
Assg.orig
Entity
unknown
2
13
n/a
The ornamental design for a vent pipe using ultraviolet light for the purification of discharge gases, as shown and described.

FIG. 1 is a front perspective view of the vent pipe according to the present invention installed on the roof of a building. A fragmentary portion of the roof is shown for environmental purposes only and does not form any part of the claimed design;

FIG. 2 is a back, perspective view of the vent pipe according to FIG. 1 installed on the roof of a building. A fragmentary portion of the roof is shown for environmental purposes only and does not form any part of the claimed design;

FIG. 3 is a left side elevation view of the vent pipe;

FIG. 4 is a front elevation view of the vent pipe;

FIG. 5 is a rear elevation view of the vent pipe;

FIG. 6 is a right side elevation view of the vent pipe;

FIG. 7 is a top plan view of the vent pipe;

FIG. 8 is a bottom plan view of the vent pipe. The building sewage vent shown in broken lines is for environmental purposes only and does not form part of the claimed design;

FIG. 9 is a top plan view with the top cover removed;

FIG. 10 is a closeup view of the electrical junction box in which controls for UV lights are housed. Controls are shown for environmental purposes only and do not form part of the claimed design;

FIG. 11 is a cross section view taken along line 1111 of FIG. 7. The building sewage vent is shown in broken lines is for environmental purposes only and does not form part of the claimed design; and,

FIG. 12 is an exploded view of the vent pipe.

Underwood, Roy E.

Patent Priority Assignee Title
10663192, Jan 04 2013 Vertical vent stack cap
D642669, Sep 09 2010 Vent cap
Patent Priority Assignee Title
3082677,
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5746653, Sep 15 1995 Solar Attic, Inc. Air distributor or collector
5749780, Sep 05 1996 Icopa A/S Roof vent
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D262235, Aug 22 1979 Portable air recirculator
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D379501, Jun 22 1995 Stove exhaust vent
D386577, Sep 16 1996 Carrier Corporation Masonry chimney adapter
D414257, Jul 02 1998 Flue pipe heat exchanger
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