Ceramming furnace
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FIG. 1 is a front elevational view of a ceramming furnace, showing a new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a side elevational view thereof;
FIG. 4 is a rear elevational view thereof.
It will be understood that the perforated panels and portions may have strengthening ribs, operating components and instructional tags and the like in their field of view without destroying the overall effect of the new design of the present invention. Also, addition of additional display lights and a different arraying thereof would not destroy the overall effect of the new design if the general overall new design of the present invention is adhered to. It will be understood that written indicia would be expected to be present, for example, next to each display light, identifying what it was indicating.
The patterns of perforations which are fragmentarily shown in all views are understood to repeat uniformly and continuously across the areas of the ceramming furnace.
| D115132 | June 1939 | Schneider |
| D152323 | January 1949 | Chapman |
| D167568 | August 1952 | Gold |
| D194650 | February 1963 | Gold |
| D269903 | July 26, 1983 | Ouandt |
| 3128326 | April 1964 | Hintenberger |
| 3441652 | April 1969 | Eicker |
Type: Grant
Filed: Feb 21, 1984
Date of Patent: Jan 13, 1987
Assignee: Dentsply Research & Development Corp. (Milford, DE)
Inventor: Ronald C. Webb (Red Lion, PA)
Primary Examiner: Catherine E. Kemper
Attorneys: C. Hercus Just, E. J. Hanson, Jr.
Application Number: 6/582,017
