US Patent 7439432 Pad for electronic drum and electronic drum

Patent 7439432 was granted and assigned to Yamaha Corporation on October, 2008 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors Activity

Is a

Patent

Patent attributes

Current Assignee

Yamaha Corporation

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7439432

Date of Patent

October 21, 2008

Patent Application Number

11072598

Date Filed

March 4, 2005

Patent Citations Received

‌

US Patent 11854514 Drumhead with reduced volume

Patent Primary Examiner

‌

Lincoln Donovan

Patent abstract

An electronic drum comprises a pad comprising a body portion made of a polymeric elastic material such as a rubber or a thermoplastic elastomer, and a surface layer portion which is bonded with the body portion so as to cover the body portion, the surface layer portion being made of a polymeric material having an elastic modulus of 0.5 to 20 GPa.