Drum tuning key

Description

FIG. 1 is a top, front perspective view of a drum tuning key showing my new design;

FIG. 2 is a bottom view of the drum tuning key, as shown in FIG. 1;

FIG. 3 is a side view of the drum tuning key, as shown in FIG. 2, wherein both sides of the key wrench are symmetrical;

FIG. 4 is a rear view of the drum tuning key, as shown in FIG. 2; and,

FIG. 5 is a front view of the drum tuning key, as shown in FIG. 2.

Referenced Cited
U.S. Patent Documents
154738 September 1874 Williams et al.
D245063 July 19, 1977 Grame
D269622 July 5, 1983 Hardy
2329061 September 1943 Kopczynski
2735321 February 1956 Browne et al.
4208942 June 24, 1980 Henrit
Patent History
Patent number: D346100
Type: Grant
Filed: Jun 1, 1992
Date of Patent: Apr 19, 1994
Inventor: Eric J. Behrenfeld (Chicago, IL)
Primary Examiner: Bernard Ansher
Assistant Examiner: Philip Hyder
Law Firm: Speckman, Pauley & Fejer
Application Number: 7/891,812
Classifications
Current U.S. Class: D 8/21; Percussion Instrument (D17/22)