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• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
CBS INC A CORPOF N Y	Not Provided

International Classification(s)

• G10H:ELECTROPHONIC MUSICAL INSTRUMENTS

• 1981 Application Filing Year
• G10H Class
• 118 Applications Filed
• 1 Patents Issued To-Date
• 0.85 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Finch, Robert A	Mundelein, IL	6	31
# of filed Patents : 6 Total Citations : 31

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Patent Citation Ranking

• 6 Citation Count
• G10H Class

• 0 % this patent is cited more than
• 42 Age

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge after expiration - Late payment is unavoidable	$700.00	$350.00	$175.00
Surcharge after expiration - Late payment is unintentional	$1,640.00	$820.00	$410.00

Full Text

US Patent No: 4397210

Rhythm sound generator

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Abstract

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An electronic circuit triggered by pulses derived from the rhythm pattern generator of an electronic organ simulates the sound of a group of people clapping hands by producing in bursts at least two different sound signals of differing characteristics and combining the signal bursts in a predetermined pattern which causes them to occur in close time proximity to each other but not at the same time. When the combined signal is acoustically reproduced, the resulting sound is simulative of that produced by a group of people clapping their hands in unison.

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Description

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Claims

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Legal Events

 

• FP1987
• LAPS1987
• STCH1987
• FEPP1987
• I1983
• F1981
• PD1981
• AS1981

Date	Code	Event	Description
Aug 09, 1987	FP	LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: Aug 09, 1987
Aug 09, 1987	LAPS	LAPSE FOR FAILURE TO PAY MAINTENANCE FEES
Aug 09, 1987	STCH	INFORMATION ON STATUS: PATENT DISCONTINUATION	free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
Mar 11, 1987	FEPP	FEE PAYMENT PROCEDURE	free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Aug 09, 1983	I	Issuance
Dec 11, 1981	F	Filing
Dec 11, 1981	PD	Priority Date
Dec 07, 1981	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:FINCH, ROBERT A.;REEL/FRAME:003952/0805 Owner name: CBS INC A CORPOF N Y Effective Date: Dec 07, 1981