Title:
Combination gas pressure relief valve and safety whistle
United States Patent D885522


Inventors:
Whitman, Gerard (Lowell, MA, US)
Application Number:
29/674194
Publication Date:
05/26/2020
Filing Date:
12/20/2018
Primary Class:
International Classes:
(IPC1-7): 2301
Field of Search:
D23/233, D23/235, D23/237, D23/241, D23/242, D23/245-249, 137/588, 137/115.23, 137/116.5, 137/527.4, 137/527.6, 137/71, 137/467, 137/526, 251/147
View Patent Images:
US Patent References:
9810332Pressure relief valve devices and methods2017-11-07Chapman
D745114Adjustable pressure regulator2015-12-08AlexanderD23/235
D693429Safety relief valve2013-11-12Thibodeaux, Jr.D23/233
8448663Vacuum relief valve2013-05-28Jakubowski137/526
7455070Swimming pool vacuum relief safety valve2008-11-25Hamza137/467
D242709Adjustable pressure relief valve1976-12-14SchourupD23/235
D242710Adjustable pressure relief valve1976-12-14SchourupD23/235
3276420Exhaust whistle1966-10-04Fresolone
1024683WHISTLE.1912-04-30Gray



Primary Examiner:
COLAN, GINO
Claims:
CLAIM

1. The ornamental design for a combination gas pressure relief valve and safety whistle, as shown and described.

Description:

FIG. 1 is a perspective view of a combination gas pressure relief valve and safety whistle showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view thereof, the right side view being a mirror image of FIG. 3;

FIG. 4 is a back view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The broken lines shown in the figures are for the purpose of illustrating portions of the combination gas pressure relief valve and safety whistle and form no part of the claimed design.