Air filtration unit for an emergency vehicle

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Description

FIG. 1 is a front elevation view of an air filtration unit for an emergency vehicle showing our new design;

FIG. 2 is a slightly enlarged top, front perspective view thereof;

FIG. 3 is a slightly enlarged front elevation view thereof;

FIG. 4 is a slightly enlarged side elevation view thereof;

FIG. 5 is a slightly enlarged top plan view thereof;

FIG. 6 is a slightly enlarged rear elevation view thereof; and,

FIG. 7 is a slightly enlarged side elevation view showing the opposite side thereof.

The fragmentary, broken line showing of an interior of the emergency vehicle in FIG. 1 of the drawing is for illustrative purposes only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
2528301 October 1950 Doe
3616624 November 1971 Marsh
4172865 October 30, 1979 Steier
4531956 July 30, 1985 Howorth
4640184 February 3, 1987 Matsushima et al.
4690042 September 1, 1987 Bertelsen et al.
4763564 August 16, 1988 Czarnecki et al.
Patent History
Patent number: D387423
Type: Grant
Filed: Dec 3, 1996
Date of Patent: Dec 9, 1997
Assignee: Wheeled Coach Industries, Inc. (Winter Park, FL)
Inventors: Rodney T. Nash (Hutchinson, KS), Ronald G. Lavicott (Oviedo, FL), Herschel W. Davis (Winter Springs, FL)
Primary Examiner: Lisa Lichtenstein
Law Firm: Shook, Hardy & Bacon L.L.P.
Application Number: 0/63,249
Classifications
Current U.S. Class: Filter (D23/365); Air Cleaner (D23/364)
International Classification: 2304;