Cervical traction unit


FIG. 1 is a front perspective view of a cervical traction unit, showing my new design;

FIG. 2 is a side elevational view thereof, the broken line showing of the head being for illustrative purposes only and forming no part of the claimed design;

FIG. 3 is a rear elevational view thereof; and,

FIG. 4 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D229359 November 1973 Nightingale
D272467 January 31, 1984 Nightingale
3737923 June 1973 Prolo
4166459 September 4, 1979 Nightingale
Patent History
Patent number: D330083
Type: Grant
Filed: Mar 8, 1990
Date of Patent: Oct 6, 1992
Inventor: Frank J. Nightingale (San Diego, CA)
Primary Examiner: Stella Reid
Law Firm: Brown, Martin, Haller & McClain
Application Number: 7/490,271