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 front perspective view;

FIG. 3 is a rear perspective view;

FIG. 4 is a left side perspective view, the right side being a mirror image thereof; and,

FIG. 5 is a left-front perspective view showing the chair with the backrest and legrest in extended position.

Referenced Cited
U.S. Patent Documents
RE30648 June 16, 1981 Ohlrogge et al.
D236299 August 1975 Long et al.
D267987 February 22, 1983 Leffler et al.
D321097 October 29, 1991 Jones et al.
3338632 August 1967 Kleinsorge
3414324 December 1968 Taylor et al.
3427072 February 1969 Hale
3866973 February 1975 Heubeck
3934928 January 27, 1976 Johnson
4336965 June 29, 1982 Lipp
4527976 July 9, 1985 Behringer et al.
4541671 September 17, 1985 Broadhead et al.
4678229 July 7, 1987 Ryan et al.
4700415 October 20, 1987 DiMatteo et al.
4878709 November 7, 1989 Okamoto
4966413 October 30, 1990 Palarski
Other references
  • Pelton & Crane, front cover, Dental Chair shown in center. 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, U.S.A. Feb. 1990. The A-Dec Priority Chair: Beauty Goes to Work Brochure, 8 pages, U.S.A., Aug. 1989. Royal Sixteen Plush Brochure, 2 pages, U.S.A., Jan. 1990. Flex Integral, 1 page, Denmark. Die Faszination des Fortschritts KaVo Estetica 1042 Die Behandlungseinheit Brochure, 16 pages, Germany, Sep. 1986. Safety Zone PROTection for Professionals THE PRO II, 8 pages, U.S.A. , Oct. 1986. FX Series brochure, 30 pages, Japan, Mar. 1990. F1 State of the Art Brochure, 6 pages, Finland. Photos, 3 pages. Belmont Dental Equipment, 30 pages, Japan. Signo Grand Brochure, 20 pages, Japan, May 1987. Belmont Dental Equipment, 38 pages, Japan. A-Dec's New Decade 1015 Chair Brochure, 8 pages. Surpass Brochure, 23 pages. Elan2000III Brochure, 20 pages, Japan. Belmont Equipment Corp. Brochure, Pro II Chair, Literature No. 86-10-20M. FINNDENToy Brochure, Dental Chair FD-3500. 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: D333736
Type: Grant
Filed: Apr 30, 1991
Date of Patent: Mar 9, 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 Leigh Campbell & Whinston
Application Number: 7/694,017
Classifications
Current U.S. Class: D/6367; D/6360; D/6361; Patient Table Or Support (49) (D24/183)