Ratchet syringe for composite dental materials
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Description
FIG. 1 is a perspective view of a ratchet syringe for composite dental materials showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a left side elevational view thereof, the right side being a mirror image;
FIG. 6 is a bottom plan view thereof; and
FIG. 7 is a perspective view thereof, shown in the fully retracted position .
Referenced Cited
U.S. Patent Documents
D200104 | January 1965 | Cocherell et al. |
2917830 | December 1959 | Cerveris |
4658993 | April 21, 1987 | Vlasidi |
Patent History
Patent number: D297458
Type: Grant
Filed: May 15, 1986
Date of Patent: Aug 30, 1988
Assignee: Johnson & Johnson Consumer Products, Inc. (New Brunswick, NJ)
Inventor: Robert D. Holewinski (Lakehurst, NJ)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Brian N. Vinson
Application Number: 6/863,553
Type: Grant
Filed: May 15, 1986
Date of Patent: Aug 30, 1988
Assignee: Johnson & Johnson Consumer Products, Inc. (New Brunswick, NJ)
Inventor: Robert D. Holewinski (Lakehurst, NJ)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Brian N. Vinson
Application Number: 6/863,553
Classifications
Current U.S. Class:
D24/14