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

Patent Owner(s)

Patent Owner	Address
THE SWATCH GROUP RESEARCH AND DEVELOPMENT LTD	MARIN

International Classification(s)

• C03B:MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR ....
• G04B:MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL ....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Grupp, Joachim	Enges, CH	48	1169
Hessler, Thierry	Renens, CH	53	353

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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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
July 13, 2010	US,7753581,B2   US7753581B2	GRANTED PATENT AS SECOND PUBLICATION
January 15, 2009	US,20090016173,A1   US20090016173A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent Application No: 2009/0016,173

SPIRAL SPRING MADE OF ATHERMAL GLASS FOR CLOCKWORK MOVEMENT AND METHOD FOR MAKING SAME

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