Portable musical instrument amplifier with a movable plug

- CB Labs, Inc.
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Description

FIG. 1 is a top, side and end perspective view of a portable musical instrument amplifier with a movable plug showing my new design;

FIG. 2 is a side elevational view thereof, the undisclosed opposite side being a mirror image;

FIG. 3 is an end view with the plug shown in an alternate position thereof;

FIG. 4 is a side elevational view of FIG. 3, the undisclosed opposite side being a mirror image;

FIG. 5 is an end view of FIG. 3;

FIG. 6 is a top plan view of FIG. 3; and,

FIG. 7 is a bottom plan view of FIG. 3, the fragmentary portion of the plug is shown for clarity of illustration.

Referenced Cited
U.S. Patent Documents
D212003 August 1968 Roberts
212005 August 1968 Roberts
212006 August 1968 Roberts
215661 October 1969 Richards
D233762 November 1974 Suyama
D247668 April 4, 1978 Furst et al.
D280524 September 10, 1985 Smith
4764961 August 16, 1988 Hung
Patent History
Patent number: D340455
Type: Grant
Filed: Jan 10, 1991
Date of Patent: Oct 19, 1993
Assignee: CB Labs, Inc. (Bridgeport, CT)
Inventor: David E. Christian (Danbury, CT)
Primary Examiner: Bernard Ansher
Assistant Examiner: Mitchell Siegel
Law Firm: Nixon, Hargrave, Devans & Doyle
Application Number: 7/639,714