Ventilation grid

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Description

FIG. 1 is a front perspective view of a ventilation grid showing our new design.

FIG. 2 is a side elevation view thereof; and,

FIG. 3 is a rear perspective view thereof.

Claims

The ornamental design for a ventilation grid, as shown and described.

Referenced Cited
U.S. Patent Documents
D313468 January 1, 1991 Chaney
D513437 January 3, 2006 Wilhelm
D645952 September 27, 2011 Peterson
D685459 July 2, 2013 Pan
D761412 July 12, 2016 Strehle
D775721 January 3, 2017 Muller
D776250 January 10, 2017 Muller
D777893 January 31, 2017 Kato
D777899 January 31, 2017 Wark
D822823 July 10, 2018 Yu
D823453 July 17, 2018 Yu
20140053793 February 27, 2014 Sullivan
20140209275 July 31, 2014 Schone
20170343016 November 30, 2017 Kim
20180058459 March 1, 2018 Haaf
20180156240 June 7, 2018 Muller
Patent History
Patent number: D890328
Type: Grant
Filed: Nov 6, 2018
Date of Patent: Jul 14, 2020
Assignee: ebm-papst Mulfingen GmbH & Co. KG (Mulfingen)
Inventors: Daniel Gebert (Öhringen), Thomas Heli (Langenburg), Peter Riegler (Boxberg), Valerius Schaff (Kupferzell)
Primary Examiner: Cathron C Brooks
Assistant Examiner: Sharon S Oum
Application Number: 29/669,127
Classifications
Current U.S. Class: Fan Guard (D23/412)