Filter cartridge for welding respirator

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

FIG. 1 is a top, front, right side perspective view of a filter cartridge for welding respirator showing my new design;

FIG. 2 is a bottom plan view of the filter cartridge for welding respirator shown in FIG. 1.

FIG. 3 is a top plan view of the filter cartridge for welding respirator shown in FIG. 1;

FIG. 4 is a front elevational view of the filter cartridge for welding respirator shown in FIG. 1;

FIG. 5 is a rear elevational view of the filter cartridge for welding respirator shown in FIG. 1;

FIG. 6 is a left elevational side view of the filter cartridge for welding respirator shown in FIG. 1; and,

FIG. 7 is a right elevational side view of the filter cartridge for welding respirator shown in FIG. 1.

The broken lines shown in the drawings represent portions of the filter cartridge for welding respirator that form no part of the claimed design.

Claims

The ornamental design for a filter cartridge for welding respirator, as shown and described.

Referenced Cited
U.S. Patent Documents
D328789 August 18, 1992 Kopf
D389243 January 13, 1998 Miller
D396283 July 21, 1998 Scholey
D451602 December 4, 2001 Juhlin
D452911 January 8, 2002 Danielsson
D461896 August 20, 2002 Worthington
D518571 April 4, 2006 Martin
D545426 June 26, 2007 Church
D604834 November 24, 2009 Ungar
D623300 September 7, 2010 Zimerman
D627067 November 9, 2010 Daniel
D645220 September 13, 2011 Yang
D645957 September 27, 2011 Loeser
D652910 January 24, 2012 Duffy
D673257 December 25, 2012 Landaverde, Jr.
8611504 December 17, 2013 Kubiak
D721169 January 13, 2015 Moon
D740391 October 6, 2015 Mueller
D757928 May 31, 2016 Blomberg
D762845 August 2, 2016 Dwyer
Patent History
Patent number: D775344
Type: Grant
Filed: Aug 5, 2015
Date of Patent: Dec 27, 2016
Assignee: Tecmen Electronics Co., Ltd. (Nanjing)
Inventor: Ziqian Wu (Nanjing)
Primary Examiner: Rhea Shields
Application Number: 29/535,292
Classifications
Current U.S. Class: Filter (37) (D24/162)