Class 84/396 - Tuning devices

Subclass of Class 84 - Music
Definition: Means to change the key or pitch specially adapted to a
No. of applications: 2
Last issue date: 02/02/2012

Application No.	Application Title	Issue Date
20120024127	Musical Instruments A musical instrument such as a trombone is manufactured by moulding from polymeric material. The instrument has a moulded body section which has an internal bore through which air is blown by the player. The internal diameter of the bore has a restriction formed thereon...	02/02/2012
20100275759	STRAIGHT-THROUGH ROTARY VALVE STRUCTURE A straight-through rotary valve structure includes: a case having an internal conic receiving space with an opening, a first extension section being disposed at a tip of the receiving space, a second extension section being disposed beside the first extension section; a...	11/04/2010

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