Ventilation cover

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Description

FIG. 1 is a top perspective view thereof;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a first side view thereof;

FIG. 4 is a second side view thereof;

FIG. 5 is a front side view thereof;

FIG. 6 is a rear side view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

Claims

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

Referenced Cited
U.S. Patent Documents
D201322 June 1965 Knapp
D270276 August 23, 1983 Stern et al.
D294968 March 29, 1988 Shin-Chin
D295070 April 5, 1988 Shin-Chin
D306903 March 27, 1990 Shin-Chin
D309944 August 14, 1990 Chiu
D354127 January 3, 1995 Cunning
D359116 June 6, 1995 Marvin et al.
D376843 December 24, 1996 Wortham
D387860 December 16, 1997 Chen
D391346 February 24, 1998 Litvin
D397192 August 18, 1998 Chiu et al.
Foreign Patent Documents
175820 October 1906 DE
521795 March 1931 DE
295019 October 1929 GB
1 523 406 July 1977 GB
1 518 151 July 1978 GB
2 081 882 February 1982 GB
2100461 March 2001 GB
2100581 March 2001 GB
Other references
  • Product literature for Flettner ‘2000.’ Date unknown. Four (4) sheets.
  • Product literature for Invertec Low Voltage Lighting. Date unknown. Two (2) sheets. www.gnc-systems.com/210e.htm.
  • Product literature for Ventilation by NIDRO. Date unknown. Two (2) sheets. www.nidro.com/enventilatie.htm.
  • Product literature for Weston Body Hardware Rotary Ventilator & Grille. Date unknown. One (1) sheet.
  • Product literature for SORTIMO ventilation systems. Date unknown. Two (2) sheets.
  • Product literature for Pacet's Superslim. May 1998; Jun. 1998; Jul. 1998; Sep. 1998; Oct. 1998; Nov. 1998, Apr. 1999. Thirty-one (31) sheets.
  • Photos of Flettner ‘2000’ product. Date unknown. Five (5) photos on three (3) sheets.
  • Photos of ‘UBS’ product. Date unknown. Six (6) photos on three (3) sheets.
Patent History
Patent number: D471971
Type: Grant
Filed: Sep 20, 2001
Date of Patent: Mar 18, 2003
Assignee: Flettner Ventilator Limited (London)
Inventors: Christopher John Hurlstone (Newport), Mark Anthony Di Cioccio (Bury St. Edmunds), Reuben Wu (Saffron Walden), Sophie Rebecca Butler (Swavesy), Robert Cheetham Halstead (Enfield), Alan Peter Tye (Tring), Kevin Alan Alex Tye (Tring)
Primary Examiner: Louis S. Zarfas
Assistant Examiner: Robert A. Delehanty
Attorney, Agent or Law Firm: Clayton, Howarth & Cannon, P.C.
Application Number: 29/148,528
Classifications
Current U.S. Class: Element Or Attachment, Not Elsewhere Specified (D23/386)
International Classification: 2304;