Hand-held control unit for the operation of an inflatable air mattress

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Description

FIG. 1 is a perspective view of a hand-held control unit for the operation of an inflatable air mattress showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view thereof, the opposite side being a mirror image of that shown;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is an end elevational view thereof; and

FIG. 6 is an opposite end elevational view thereof.

Referenced Cited
U.S. Patent Documents
D272522 February 7, 1984 Givler
D281724 December 10, 1985 Michiels
D299922 February 21, 1989 Schremmer
D303657 September 26, 1989 Mayo et al.
D307579 May 1, 1990 Layne et al.
3303518 February 1967 Ingram
3468278 September 1969 Kercheval
3868103 February 1975 Pageot et al.
3935604 February 3, 1976 Collins
4394784 July 26, 1983 Swenson et al.
4435864 March 13, 1984 Callaway
4489297 December 18, 1984 Haydon et al.
4644597 February 24, 1987 Walker
Other references
  • Vari-Firm Publication, Timmel Industries, Inc., 1981. Dynatech Publication, Timmel Industries, Inc., Oct. 1, 1982. Rest-A-Pedic Advertisement, Health Research Industries, Inc. (undated).
Patent History
Patent number: D313973
Type: Grant
Filed: Dec 30, 1988
Date of Patent: Jan 22, 1991
Inventor: Robert A. Walker (Maple Grove, MN)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Brian N. Vinson
Law Firm: Burd, Bartz & Gutenkauf
Application Number: 7/291,987
Classifications
Current U.S. Class: Hand Held Or Remote Type (D13/168)