Patent
   D349162
Priority
Feb 02 1993
Filed
Feb 02 1993
Issued
Jul 26 1994
Expiry
Jul 26 2008
Assg.orig
Entity
unknown
13
17
n/a
The ornamental design for a control unit for dental instruments, as shown and described.

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 unit of FIG. 1;

FIG. 3 is a right-side elevation view of the unit of FIG. 1;

FIG. 4 is a top plan view of the unit of FIG. 1;

FIG. 5 is a bottom plan view of the unit of FIG. 1;

FIG. 6 is a front elevation view of the unit of FIG. 1;

FIG. 7 is a rear elevation view of the unit 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 unit of FIG. 8;

FIG. 10 is a right-side elevation view of the unit of FIG. 8;

FIG. 11 is a top plan view of the unit of FIG. 8;

FIG. 12 is a bottom plan view of the unit of FIG. 8;

FIG. 13 is a front elevation view of the unit of FIG. 8;

FIG. 14 is a rear elevation view of the unit of FIG. 8;

FIG. 15 is a perspective view of another alternative embodiment of a control unit for dental instruments;

FIG. 16 is a left-side elevation view of the unit of FIG. 15;

FIG. 17 is a right-side elevation view of the unit of FIG. 15;

FIG. 18 is a top plan view of the unit of FIG. 15;

FIG. 19 is a bottom plan view of the unit of FIG. 15;

FIG. 20 is a front elevation view of the unit of FIG. 15; and,

FIG. 21 is a rear elevation view of the unit of FIG. 15.

The broken line drawings of the support for the control unit in FIGS. 2, 3, 9, 10, 16, 17 and the support for dental instruments in FIG. 15 are for illustrative purposes only and form no part of the claimed design.

Nordstrom, Carl G., Reed, Raymond G.

Patent Priority Assignee Title
7581951, Jul 01 2003 Sirona Dental Systems GmbH Dental treatment element
D555247, Oct 28 2005 Castellini S.p.A. Table for a dental unit
D605296, Oct 31 2008 Midmark Corporation Dental delivery unit
D605772, Jan 16 2009 Midmark Corporation Dental instrument delivery unit
D607566, May 02 2008 Dental Components LLC Support portion of a dental delivery unit
D607567, May 02 2008 Dental Components LLC Dental delivery unit shroud
D621512, May 02 2008 Dental Components LLC Dental delivery unit shroud
D622397, May 02 2008 Dental Components LLC Dental delivery unit shroud
D631163, Feb 03 2009 A-DEC, INC Portion of a control head for use with dental equipment
D714374, Jan 10 2014 H4 Engineering, Inc. Guiding unit for pointing apparatus
D750693, Jul 03 2014 H4 Engineering, Inc.; H4 ENGINEERING, INC Electronic communication device with wearable housing
D903873, Apr 12 2019 A-DEC, INC Dental control head housing
D903874, Apr 17 2019 A-DEC, INC Dental control head housing
Patent Priority Assignee Title
3718974,
3771226,
3918161,
4206546, Mar 20 1978 MDT CORPORATION, A CORP OF DE Track system
4676750, Jan 25 1985 Dental drill system
4770632, Dec 30 1985 NATIONAL PATENT DEVELOPMENT CORP NPDC Delivery system for dental treatment solution
4878709, Jul 06 1987 Retractable legrest for dental chair
4883316, Sep 28 1987 A-DEC, INC Dental instrument delivery system
4952146, Mar 02 1989 Dental control unit
5107899, Feb 19 1988 Pneumatic control system
5161970, May 09 1990 UNIQUE BARRIER PRODUCTS INC A NY CORPORATION Dental safe-handling tool holder
217249,
218165,
231676,
D243188, Feb 11 1976 A-Dec, Inc. Combined dental tray and control unit therefor
D288122, Dec 19 1983 DENTAL COMPONENTS, INC Combined control unit and holder for dental equipment
D328791, Nov 27 1990 A-DEC, INC , 2601 CRESTVIEW DRIVE, NEWBERG, OR 97132, A CORP OF OR Dental control unit
///
Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 02 1993A-Dec, Inc.(assignment on the face of the patent)
Feb 02 1993NORDSTROM, CARL G A-DEC, INC ASSIGNMENT OF ASSIGNORS INTEREST 0064940404 pdf
Feb 02 1993REED, RAYMOND G A-DEC, INC ASSIGNMENT OF ASSIGNORS INTEREST 0064940404 pdf
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule