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Publication numberUSD263878 S
Publication typeGrant
Application numberUS 06/060,404
Publication dateApr 13, 1982
Filing dateJul 24, 1979
Publication number060404, 06060404, US D263878 S, US D263878S, US-S-D263878, USD263878 S, USD263878S
InventorsSvante R. Edwardson
Original AssigneeAb Dentatus
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Root canal screw
US D263878 S
Abstract  available in
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  1. The ornamental design for a root canal screw, as shown.

FIG. 1 is an elevational view of a root canal screw showing my new design;

FIG. 2 is elevational view thereof, rotated 135 from the position of FIG. 1; and

FIG. 3 is a top plan view thereof.

Non-Patent Citations
1Design Fasteners Book, Mar. 1963, p. 297, Rapidril, Self Drilling, Tapping Screw.
U.S. ClassificationD24/156, D08/38