Primary roof vent

Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a bottom perspective view of a primary roof vent showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a side view thereof; and,

FIG. 4 is an end view thereof.

Claims

The ornamental design for a primary roof vent, as shown and described.

Referenced Cited
U.S. Patent Documents
D390943 February 17, 1998 Kelly
D457234 May 14, 2002 O'Hagin et al.
6447390 September 10, 2002 O'Hagin
6491579 December 10, 2002 O'Hagin
D469889 February 4, 2003 O'Hagin
Patent History
Patent number: D504172
Type: Grant
Filed: Apr 27, 2004
Date of Patent: Apr 19, 2005
Inventor: Harry T. O'Hagin (Panakorn Sri, Ayutthaya)
Primary Examiner: Louis S. Zarfas
Assistant Examiner: Susan Bennett Hattan
Attorney: Knobbe, Martens, Olson & Bear LLP
Application Number: 29/204,448
Classifications
Current U.S. Class: Vent, Ductwork, Or Element Thereof (D23/393)