MUSICAL THEORY SLIDE RULE FOR STRINGED INSTRUMENTS - Patent 0122276

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EP 0 122 276 A1

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(43)	Date of publication:
	24.10.1984 Bulletin 1984/43

(21)	Application number: 83903361.0

(22)	Date of filing: 25.10.1983

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International Patent Classification (IPC):

G09B 15/ 02^{( . )}
G10G 1/ 00^{( . )}

G09B 15/ 00^{( . )}
G10G 1/ 02^{( . )}

(86)	International application number:
	PCT/AU1983/000154

(87)	International publication number:
	WO 1984/001845 (10.05.1984 Gazette 1984/12)

(84)	Designated Contracting States:
	AT BE CH DE FR GB LI LU NL SE

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Priority:

25.10.1982 AU 19820006488

(71)	Applicant: DUFFY, Anthony Michael
	Kingsgrove, NSW 2208 (AU)

(72)	Inventor:
	DUFFY, Anthony Michael Kingsgrove, NSW 2208 (AU)

(74)	Representative: Boon, Graham Anthony, et al
	Elkington and Fife Prospect House 8 Pembroke Road Sevenoaks, Kent TN13 1XR Sevenoaks, Kent TN13 1XR (GB)

(54)	MUSICAL THEORY SLIDE RULE FOR STRINGED INSTRUMENTS