Screwdriver

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Description

FIG. 1 is a perspective view of a screwdriver embodying my new design;

FIG. 2 is a front view of the screwdriver;

FIG. 3 is a top view of the screwdriver;

FIG. 4 is a bottom view of the screwdriver;

FIG. 5 is a back view of the screwdriver;

FIG. 6 is a left side view of the screwdriver; and,

FIG. 7 is a right side view of the screwdriver.

Referenced Cited
U.S. Patent Documents
D116179 August 1939 Yates, Jr.
D161321 December 1950 De Fee
D167058 June 1952 Rhodes
D173036 September 1954 Morton
D223133 March 1972 Olt
D229390 November 1973 Hart
D278880 May 21, 1985 Widen
D308080 May 22, 1990 Sachs
1040564 October 1912 Merrill
2092586 September 1937 Naumovich
4037275 July 26, 1977 Schor
Other references
  • Ilco Unican Key Blank Catalog, 1984, MO1 and AL1. Photograph of Applicant's prior screwdriver.
Patent History
Patent number: D339047
Type: Grant
Filed: Dec 13, 1991
Date of Patent: Sep 7, 1993
Inventor: Mark A. Henderson (Arlington, TX)
Primary Examiner: Bernard Ansher
Assistant Examiner: Philip Hyder
Attorney: James E. Bradley
Application Number: 7/806,532
Classifications
Current U.S. Class: D 8/82; D 8/19