Hand-held ultraviolet light unit for dental use
US D224312 S
Description (OCR text may contain errors)
United States Patent 0 "c6 2 m ,1 4 28 21 euh 8 D 0 HAND-HELD ULTRAVIOLET LIGHT UNIT FOR DENTAL USE Ronald C. Webb, York, Pa., and Gerald L. Lenz, East Brunswick, N.J., assignors t0 Conrad Precision Industries, Inc.
Filed Mar. 15, 1971, Ser. No. 124,083
Term of patent 14 years Int. Cl. D24-02 US. Cl. D24-1 Des. 224,312
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PAGE 4 l is a top perspective view of hand-held ultraviolet light unit for dental use shown positioned on its supporting base;
2 is a view similar to FIG. 1 showing the light unit displaced from the supporting base;
3 is side elevational view of the hand-held ultraviolet light unit for dental use detached from the supporting base;
FIG. FIG. FIG. FIG. FIG. FIG. FIG.
4 is a top plan view thereof;
5 is a front end view thereof;
6 is a rear end view thereof;
7 is a top plan view of the supporting base; 8 is a side elevational view thereof;
9 is an end view thereof; and
10 is a bottom plan view thereof.
We claim: The ornamental design for a hand-held ultraviolet light unit for dental use, as shown.
References Cited UNITED STATES PATENTS D. 199,309 10/1964 Tietje D162 D. 202,375 9/1965 Taylor D521 2,705,290 3/1955 Newman 25088 3,274,437 9/1966 Mastrup 250-85 X BERNARD ANSHER, Primary Examiner