The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 03, 2001
Filed:
Feb. 15, 2000
Akbar Moghaddam, San Franciso, CA (US);
Donald G. Lombardi, Thousand Oaks, CA (US);
Drum Workshop, Inc., Oxnard, CA (US);
Abstract
A percussion instrument has first and second shells each of which extends away from the other, the shells forming cavities; a closure for one of the shells having a diaphragm portion and closing a portion of the cavity formed by the one shell, the closure spaced from a shell interconnection region; a cavity formed by the other of the shells being open at one end thereof in a direction away from the interconnection region, and loose pellets contained in a portion of the cavity formed by one shell, the pellets freely movable to impact the one shell and diaphragm portion to produce a rattling sound when the instrument is shaken.