Ceiling ventilation fan

- Panasonic
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Description

FIG. 1 is a front perspective view of a ceiling ventilation fan of the present invention;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a cross-sectional view thereof, taken along the line 8-8 in FIG. 2.

The broken lines illustrate portions of the ceiling ventilation fan and form no part of the claimed design.

Claims

We claim the ornamental design for a ceiling ventilation fan, as shown and described.

Referenced Cited
U.S. Patent Documents
D394101 May 5, 1998 Hayashi
D416315 November 9, 1999 Nanjo
D426292 June 6, 2000 Nanjo
D433116 October 31, 2000 Han
D448462 September 25, 2001 Nanjo
D541927 May 1, 2007 Yamanaka
D577431 September 23, 2008 Miyake
D581510 November 25, 2008 Albano
D581517 November 25, 2008 Koury
D589605 March 31, 2009 Reedy
D595402 June 30, 2009 Miyake
D617441 June 8, 2010 Koury
D617889 June 15, 2010 Miyake
D623721 September 14, 2010 Reynoso
D685347 July 2, 2013 Szymanski
8485696 July 16, 2013 Pringle
8720966 May 13, 2014 Stein
D713951 September 23, 2014 Jepson
D725624 March 31, 2015 Carney
D754319 April 19, 2016 Park
D763422 August 9, 2016 Ueno
D767748 September 27, 2016 Nakai
D777897 January 31, 2017 Rizzi
D784299 April 18, 2017 Cho
D784512 April 18, 2017 Jonas
D799018 October 3, 2017 Kim
D799686 October 10, 2017 Liu
D808001 January 16, 2018 Berkman
D816206 April 24, 2018 Jonas
D824365 July 31, 2018 Vogt, Jr.
D833667 November 13, 2018 Bao
Foreign Patent Documents
D1346297 December 2008 JP
Patent History
Patent number: D857873
Type: Grant
Filed: Mar 2, 2018
Date of Patent: Aug 27, 2019
Assignee: Panasonic Intellectual Property Management Co., Ltd. (Osaka)
Inventors: Yashio Shimada (Osaka), Nobuyuki Mase (Nara)
Primary Examiner: Cathron C Brooks
Assistant Examiner: Sharon S Oum
Application Number: 29/638,997
Classifications