Ventilation rotor

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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 front view thereof, the rear view thereof corresponding to the front view;

FIG. 4 is a first side view thereof, the second side view thereof corresponding to the first side view;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

Claims

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

Referenced Cited
U.S. Patent Documents
D118851 February 1940 Demuth
D149949 June 1948 Kennedy
4145961 March 27, 1979 Lolli
D259208 May 12, 1981 McCullough
D270276 August 23, 1983 Stern et al.
D428484 July 18, 2000 Zirk
D453960 February 26, 2002 Shelby 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
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: D471624
Type: Grant
Filed: Sep 20, 2001
Date of Patent: Mar 11, 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: 29/148,496
Classifications
Current U.S. Class: Circular Hood (D23/376)
International Classification: 2304;