Patent
   D297458
Priority
May 15 1986
Filed
May 15 1986
Issued
Aug 30 1988
Expiry
Aug 30 2002
Assg.orig
Entity
unknown
2
3
n/a
The ornamental design for a ratchet syringe for composite dental materials, as shown and described.

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 .

Holewinski, Robert D.

Patent Priority Assignee Title
D329496, Feb 20 1990 O BANNON, DAVID; O BANNON, BONNIE Needle depth gauge
D360684, Dec 03 1992 A S DUMEX DUMEX LTD High pressure dental syringe
Patent Priority Assignee Title
2917830,
4658993, Nov 02 1984 Alcon Laboratories, Inc. Metering dispenser for viscous compositions
200104,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 13 1986HOLEWINSKI, ROBERT D JOHNSON & JOHNSON DENTAL PRODUCTS COMPANY, A CORP OF NEW JERSEYASSIGNMENT OF ASSIGNORS INTEREST 0045770191 pdf
May 15 1986Johnson & Johnson Consumer Products, Inc.(assignment on the face of the patent)
Nov 12 1987 A -COMPANY, INC Johnson & Johnson Dental Products CompanyMERGER SEE DOCUMENT FOR DETAILS EFFECTIVE DATE: DECEMBER 28, 19870048980023 pdf
Nov 12 1987JANAR COMPANY, INC Johnson & Johnson Dental Products CompanyMERGER SEE DOCUMENT FOR DETAILS EFFECTIVE DATE: DECEMBER 28, 19870048980023 pdf
Nov 12 1987CERAMCO, INC Johnson & Johnson Dental Products CompanyMERGER SEE DOCUMENT FOR DETAILS EFFECTIVE DATE: DECEMBER 28, 19870048980023 pdf
Nov 30 1992JOHNSON & JOHNSON CONSUMER PRODUCTS, INC Dentsply Research & Development CorpASSIGNMENT OF ASSIGNORS INTEREST 0063550004 pdf
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