Amalgam well used in dentistry
Description
FIG. 1 is a perspective view of an amalgam well used in dentistry showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view;
FIG. 4 is a cross-section taken on line 4--4 of FIG. 2;
FIG. 5 is an expanded perspective view for clarity of illustration ; and
FIGS. 6 to 8 are top views showing the components comprising the well for clarity of illustration.
Referenced Cited
U.S. Patent Documents
836001 | November 1906 | Argue |
3139181 | June 1964 | Kobernick |
3485353 | December 1969 | Reiter |
3553838 | January 1971 | Baker |
Patent History
Patent number: D255714
Type: Grant
Filed: Feb 27, 1978
Date of Patent: Jul 1, 1980
Inventor: Joseph J. Lancellotti (East Brunswick, NJ)
Primary Examiner: Sam Rosen
Attorney: Arthur L. Plevy
Application Number: 5/881,866
Type: Grant
Filed: Feb 27, 1978
Date of Patent: Jul 1, 1980
Inventor: Joseph J. Lancellotti (East Brunswick, NJ)
Primary Examiner: Sam Rosen
Attorney: Arthur L. Plevy
Application Number: 5/881,866
Classifications