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

Patent Owner(s)

Patent Owner	Address
INVENTIO AG	SEESTRASSE 55 6052 HERGISWIL SWITZERLAND

International Classification(s)

• B66B:ELEVATORS; ESCALATORS OR MOVING WALKWAYS

• 2003 Application Filing Year
• B66B Class
• 215 Applications Filed
• 117 Patents Issued To-Date
• 54.42 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Martin, Matthew	Randolph, NJ	75	434
# of filed Patents : 75 Total Citations : 434

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Patent Citation Ranking

• 6 Citation Count
• B66B Class

• 1.59 % this patent is cited more than
• 19 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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
July 11, 2006	US,7073632,B2   US7073632B2	GRANTED PATENT AS SECOND PUBLICATION
December 02, 2004	US,20040238289,A1   US20040238289A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent Application No: 2004/0238,289

Safety system for restraining movement of elevator car when car doors are open

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Abstract

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A safety system for an elevator car which will prevent movement of the elevator car should the car drift beyond a predetermined distance from the hoistway sill with the car door in an open position.

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Description

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Claims

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