Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.


  1. Advanced Patent Search
Publication numberUSD620553 S1
Publication typeGrant
Application numberUS 29/301,696
Publication dateJul 27, 2010
Filing dateMar 13, 2008
Priority dateMar 13, 2008
Publication number29301696, 301696, US D620553 S1, US D620553S1, US-S1-D620553, USD620553 S1, USD620553S1
InventorsJianjun Li, Yukuan Shan
Original AssigneeZhejiang Dunan Artificial Environmental Equipment Co., Ltd.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Service valve
US D620553 S1
Abstract  available in
Previous page
Next page
  1. The ornamental design for a service valve, as shown and described.

FIG. 1 is a front view of a service valve.

FIG. 2 is a back view of the service valve.

FIG. 3 is a left view of the service valve.

FIG. 4 is a right view of the service valve.

FIG. 5 is a top view of the service valve; and,

FIG. 6 is a bottom view of the service valve.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
USD737408Oct 6, 2014Aug 25, 2015TYL, Inc.Valve assembly
U.S. ClassificationD23/233