Title:
Hand-held control unit for the operation of an inflatable air mattress
United States Patent D313973
US Patent References:
Case for thermostatic element
Givler - February, 1984 - D272522

Electromagnetic stimulator
Michiels - December, 1985 - D281724

Remote control unit
Schremmer - February, 1989 - D299922

Transmitter for wireless light dimmer system
Mayo et al. - September, 1989 - D303657

In line cord switch
Layne et al. - May, 1990 - D307579


Inventors:
Walker, Robert A. (11010 89th Ave. North, Maple Grove, MN, 55369)
Application Number:
D/291987
Publication Date:
01/22/1991
Filing Date:
12/30/1988
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Primary Class:
D13/168
Field of Search:
D13/158, D13/162, D13/168, D13/171, 200/51R, 200/505, 200/510, 200/520, 200/553
US Patent References:
3303518Inflatable mattresses, pillows and cushionsFebruary, 1967Ingram
3468278BOAT LEVELER MECHANISM PISTON CONSTRUCTIONSeptember, 1969Kercheval
3868103SURGICAL AND EXAMINATION TABLE STRUCTUREFebruary, 1975Pageot et al.5/66
3935604Support device for lifting and supporting patientsFebruary, 1976Collins5/90
4394784Air bed with firmness controlJuly, 1983Swenson et al.5/453
4435864Air bed arrangementMarch, 1984Callaway5/453
4489297Magnetic switchDecember, 1984Haydon et al.200/553
4644597Air mattress with pressure relief valveFebruary, 1987Walker5/449
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).
Primary Examiner:
Burke, Wallace R.
Assistant Examiner:
Vinson, Brian N.
Attorney, Agent or Firm:
Burd, Bartz & Gutenkauf
Claims:
1. The ornamental design for a hand-held control unit for the operation of aninflatable air mattress, as shown and described.

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.