Control unit for dental instruments

- A-Dec, Inc.
Description

FIG. 1 is a perspective view of a control unit for dental instruments showing our new design;

FIG. 2 is a left-side elevation view of the control unit for dental instruments of FIG. 1;

FIG. 3 is a right-side elevation view of the control unit for dental instruments of FIG. 1;

FIG. 4 is a top plan view of the control unit for dental instruments of FIG. 1;

FIG. 5 is a bottom plan view of the control unit for dental instruments of FIG. 1;

FIG. 6 is a front elevation view of the control unit for dental instruments of FIG. 1;

FIG. 7 is a rear elevation view of the control unit for dental instruments of FIG. 1;

FIG. 8 is a perspective view of an alternative embodiment of a control unit for dental instruments;

FIG. 9 is a left-side elevation view of the control unit for dental instruments of FIG. 8;

FIG. 10 is a right-side elevation view of the control unit for dental instruments of FIG. 8;

FIG. 11 is a top plan view of the control unit for dental instruments of FIG. 8;

FIG. 12 is a bottom plan view of the control unit for dental instruments of FIG. 8;

FIG. 13 is a front elevation view of the control unit for dental instruments of FIG. 8; and,

FIG. 14 is a rear elevation view of the control unit for dental instruments of FIG. 8.

The broken line drawing of a support for the control unit in FIGS. 2, 3, 9 and 10 is for illustrative purposes only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
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D218165 July 1970 Schleicher et al.
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D293371 December 22, 1987 Nordstrom et al.
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3650033 March 1972 Behne et al.
3718974 March 1973 Buchtel et al.
3762051 October 1973 Valeska
3771226 November 1973 Lieb et al.
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4206546 June 10, 1980 Runnells et al.
4676750 June 30, 1987 Mason
4706847 November 17, 1987 Sankey et al.
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Other references
  • Takara Belmont 50-page Japanese language dental equipment catalog, cover and pp. 23-24, circa Jan. 1991. Anthos "Teseo", six-page brochure circa Jan. 1992. A-Dec 117-page equipment catalog, cover and p. 32, Jan. 1991. Signo "Grand", 19-page Japanese language brochure, cover, p. 6, circa Jan. 1991. KaVo "Estetica.RTM. 1042 Die Faszination des Fortschritts", German language 13-page brochure, p. 7, circa Jan. 1991. KaVo "Estetica.RTM. 1042 Ein Wichtiger Schritt in die Zukunft", German language 13-page brochure, pp. 2-3, circa Jan. 1991. A-Dec 121-page catalog, cover and pp. 34, 36, 38 and 40, circa Sep. 1991. A-Dec "J-Dec" two-page Japanese language brochure circa Jan. 1991. Pelton and Crane one-page brochure circa Jan. 1991. ETI four-page brochure circa Jan. 1991. Planmeca Oy one-page "PM 2002 EC" brochure, circa Jan. 1991. A-Dec "Continental System" two-page brochure circa Jan. 1991. Osada "FX Series" 31-page Japanese language brochure, cover and pp. 15-17, circa Jan. 1991. A-Dec two-page compilation of holder devices: 1969, 1974, 1976, 1980, 1987, 1991, circa Jan. 1991. Takara Belmont 36-page Japanese language brochure, cover and pp. 16-18, circa Jan. 1991. Den-Tal-E2 "E2000"two-page brochure circa Jan. 1991. Siemens 27-page catalog, cover and pp 6-7, Feb. 1991. KaVo "Systematica.RTM. 1060" four-page French language brochure, circa Jan. 1991. J. Morita Corporation "Surpass" 21-page Japanese language brochure, cover and pp. 9, 11-12, and 16, circa Jan. 1991. Belmont "SP-Six" ten-page brochure, p. 6, Aug. 1985. Elan 2000 III 20-page Japanese language catalog, cover and pp. 5-6, circa Jan. 1991.
Patent History
Patent number: D351231
Type: Grant
Filed: Feb 2, 1993
Date of Patent: Oct 4, 1994
Assignee: A-Dec, Inc. (Newberg, OR)
Inventors: George K. Austin, Jr. (Newberg, OR), Carl G. Nordstrom (Lake Oswego, OR), Bruno Zadnik (Aloha, OR), David L. Curtis (Tigard, OR)
Primary Examiner: Wallace R. Burke
Assistant Examiner: M. H. Tung
Law Firm: Klarquist Sparkman Campbell Leigh & Whinston
Application Number: 0/5,493
Classifications