Dental chair

- A-Dec, Inc.
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Description

FIG. 1 is a left-front perspective view of a dental chair showing my new design;

FIG. 2 is a left side elevational view showing the chair in a lowered position with the backrest upright, the right side being a mirror image thereof;

FIG. 3 is a front elevational view of FIG. 2; and,

FIG. 4 is a rear elevational view of FIG. 2.

Referenced Cited
U.S. Patent Documents
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D238317 January 1976 Schoeller et al.
D241386 September 1976 Lawrence
D267987 February 22, 1983 Leffler et al.
D281656 December 10, 1985 Bartlett et al.
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3414324 December 1968 Taylor et al.
3427072 February 1969 Hale
3813147 May 1974 Rick
3866973 February 1975 Hewbeck
3934928 January 27, 1976 Johnson
4527976 July 9, 1985 Behringer et al.
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4678229 July 7, 1987 Ryan et al.
4878709 November 7, 1989 Okamoto
4966413 October 30, 1990 Palarski
Other references
  • Published Advertisement, 1 p. Minerva 1450 dental chair, date unknown. Seimens Published Brochure: High Technology & Service to Sirona E1/A1; E2/A2; E3; E5/A1; Jan. 1988. Published Advertisement, 1 page, Den-Tal-Ez Privelege P. 100, Jan. 1986. Antos, Tesco, 6 pages, Published brochure, date unknown. Tecnodent, Published Brochure, 2009, Prima Ed Unica, Jan. 1988. Planmeca Inc., Published Brochure, 8 pages, PM 2002 cc Jan. 1988. Industrial Design, May/Jun. 1981, p. 44, chair at mid-page left. La machine a remonter le temps dans l'art dentaire KaVo Systematic 1060) Brochure, 4 pages, France, 1986. Finndent oy Brochure, 4 pages, Finland, 1988. Den-Tal-Ez E2000 Chair Brochure, 2 pages, USA, Feb. 1990. The A-Dec Priority Chair: Beauty Goes to Work Brochure, 8 pages USA, Aug. 1989. Royal Sixteen Plush Brochure, 2 pages, USA, Jan. 1990. Die Fsazination des Fortschritts KaVo Estetica 1042 Die Behandlungseinheit Brochure, 16 pages, Germany, Sep. 1986. Safety Zone PROTection for Professionals The Pro II, 8 pages, USA, Oct. 1986. FX Series Brochure, 30 pages, Japan, Mar. 1990. F1 State of the Art Brochure, 6 pages, Finland. SP-SIX Brochure, 32 pages, Japan, Jan. 1984. Belmont Dental Equipment, 30 pages, Japan. Signo Grand Brochure, 20 pages, Japan, May 1987. Belmont Dental Equipment, 38 pages, Japan. KaVo Werk Dentale Einrichtungen Brochure, Die Faszination des Fortschritts, KaVo ESTETICA 1042, Die Behandlungseinheit. WDE PR-No. 8078/3 XI. 86 Technische Anderungen vorbehalten. Royal Dental Manufacturing Incorporated Brochure, Royal Sixteen Plush, and Royal Easycare Upholstery, Literature No. 0190A. Belmont Equipment Corp. Brochure, Pro II Chair, Literature No. 86-10-20M. Pour Ceux Qui Aiment La Perfection Brochure, La Machine 'a remonter le temps dans l'art dentaire. KaVo Systematica.RTM. 1060, WDE, PR-No 8168/X.88f.
Patent History
Patent number: D336381
Type: Grant
Filed: Mar 29, 1990
Date of Patent: Jun 15, 1993
Assignee: A-Dec, Inc. (Newberg, OR)
Inventor: Carl G. Nordstrom (Lake Oswego, OR)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Gary D. Watson
Law Firm: Klarquist, Sparkman, Campbell, Leigh & Whinston
Application Number: 7/501,657
Classifications
Current U.S. Class: D/6367; D/6361; Patient Table Or Support (49) (D24/183)