Vent pipe using ultraviolet light for purification of discharge gases

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Description

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.

Claims

The ornamental design for a vent pipe using ultraviolet light for the purification of discharge gases, as shown and described.

Referenced Cited
U.S. Patent Documents
3082677 March 1963 Pease
D254803 April 22, 1980 Rusth et al.
D262235 December 8, 1981 Hamilton
D265340 July 6, 1982 Kemp
D269809 July 19, 1983 Chadd
4442643 April 17, 1984 Stadheim
4461066 July 24, 1984 Peterson
5390451 February 21, 1995 Kopp et al.
D379501 May 27, 1997 Airosa et al.
D386577 November 18, 1997 Haydock et al.
5746653 May 5, 1998 Palmer et al.
5749780 May 12, 1998 Harder et al.
D414257 September 21, 1999 Estrada
Patent History
Patent number: D618784
Type: Grant
Filed: May 12, 2008
Date of Patent: Jun 29, 2010
Inventor: Roy E. Underwood (Young Harris, GA)
Primary Examiner: T. Chase Nelson
Assistant Examiner: David G Muller
Attorney: Harry I. Leon
Application Number: 29/307,782
Classifications