Traction unit

Description

FIG. 1 is a perspective view of a traction unit, showing our new design, the broken line showing is for illustrative purposes only and forms no part of the claimed design;

FIG. 2 is a perspective view thereof;

FIG. 3 is a right side elevational view thereof, the left side elevational view being a mirror image;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a back elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D214543 June 1969 Nightingale
2633125 March 1953 Yellin
2658506 November 1953 Haskell
2808049 October 1957 Graham
2828735 April 1958 Thompson
3276444 October 1966 Rice
3298364 January 1967 Radford
4257410 March 24, 1981 Flewelling
4282868 August 11, 1981 Riggs
4356816 November 2, 1982 Granberg
4407274 October 4, 1983 Goodley
4466427 August 21, 1984 Granberg
4531514 July 30, 1985 McDonald et al.
4534341 August 13, 1985 Bart et al.
4538598 September 3, 1985 Gill et al.
4602619 July 29, 1986 Wolf et al.
4603689 August 5, 1986 Horner
4608969 September 2, 1986 Hamlin
4627423 December 9, 1986 Kampner
4664101 May 12, 1987 Granberg
4674485 June 23, 1987 Swanson
4936399 June 26, 1990 Christman et al.
4987886 January 29, 1991 McDonald et al.
5024214 June 18, 1991 Hayes
5052378 October 1, 1991 Chitwood
Other references
  • Granberg International, Granberg Traction Systems: Designed for Professional and Home Treatment date unavailable. Lossing Orthopedic, Lossing Necktrac Assembly and Usage Guide, 1989. Granberg International, E-Z Tract Set-Up Alternatives. Lossing Orthopedic, The Team That Works for You, 1992, pp. 1-13. Saunders Therapy Products, Educational Opportunities--1991 Catalog, 1991, pp. 1-63. Lossing Orthopedic, Lossing Cervical Treatment Systems, 1990. Lossing Orthopedic, Lossing Necktrac Assembly and Use Guide, 1991.
Patent History
Patent number: D367118
Type: Grant
Filed: Sep 22, 1993
Date of Patent: Feb 13, 1996
Assignee: Pacific Research Laboratories, Inc. (Vashon, WA)
Inventors: Forrest A. Miller (Seattle, WA), Robert T. Cardozo (Seattle, WA)
Primary Examiner: Stella Reid
Law Firm: Christensen O'Connor Johnson & Kindness
Application Number: 0/13,331