Dental threading tool

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Description

FIG. 1 is a perspective view of a dental threading tool showing my new design;

FIG. 2 is a side view of the right-side thereof, the side view of the left side thereof being identical, but an inverted mirror image;

FIG. 3 is a sectional view thereof along the line 3--3 of FIG. 2;

FIG. 4 is a top plan view of the right side thereof, the bottom view of the left side thereof being identical, but reversed in direction;

FIG. 5 is a top plan view of the right side of a modification thereof, the bottom view of the left side being substantially identical but inverted with respect to the right side;

FIG. 6 is a top view of a right side thereof according to a further modification, the bottom view of the left side thereof being identical but reversed in direction to the right side thereof; and

FIG. 7 is a sectional view, similar to FIG. 3, but of a modified embodiment thereof.

Referenced Cited
U.S. Patent Documents
D238174 December 1975 Felt
D249062 August 22, 1978 Crafoord et al.
3309773 March 1967 Weller
3686762 August 1972 Sutter
3759302 September 1973 Attenborough
Other references
  • S. S. White General Dental Cat. 1965 Edition, p. 38, Double-End Exp. #6.
Patent History
Patent number: D259660
Type: Grant
Filed: Feb 2, 1979
Date of Patent: Jun 23, 1981
Inventor: Alan J. Sosnay (New York, NY)
Primary Examiner: Bernard Ansher
Law Firm: Frishauf, Holtz, Goodman & Woodward
Application Number: 6/8,972
Classifications
Current U.S. Class: D24/11
International Classification: D2402;