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

Patent Owner(s)

Patent Owner	Address
CONFER PLASTICS INC	97 WITMER ROAD NORTH TONAWANDA NY 14210

International Classification(s)

• E04F:FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
• E04G:SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENT....
• E04H:BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOS....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Lipniarski, David J	North Tonawanda, US	17	162

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jul 20, 2026

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 11.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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
January 20, 2015	US,8936134,B2   US8936134B2	GRANTED PATENT AS SECOND PUBLICATION
March 13, 2014	US,20140069742,A1   US20140069742A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8936134

Three/four step ladder with a curve about

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