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

Patent Owner(s)

Patent Owner	Address
BALL HORTICULTURAL COMPANY	622 TOWN ROAD WEST CHICAGO IL 60185

International Classification(s)

• A01H:NEW PLANTS OR PROCESSES FOR OBTAINING THEM; PLANT ....

• 2004 Application Filing Year
• A01H Class
• 1768 Applications Filed
• 1429 Patents Issued To-Date
• 80.83 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Trees, Scott C	Shell Beach, CA	312	135
# of filed Patents : 312 Total Citations : 135

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• 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

Full Text

US Patent Application No: 2012/0304,956

PISTON WITH WELD HARDENED RING GROOVE AND METHOD OF CONSTRUCTION THEREOF

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Abstract

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A piston and method of construction is provided. The piston includes a top part and a bottom part fixed to one another. The bottom part includes a pair of pin bosses providing a pair of laterally spaced pin bores aligned with one another along a pin bore axis. A friction weld joint bonds the top part to the bottom part. The top part and/or the lower part has an annular ring groove configured for receipt of a piston ring, wherein the ring groove has a thermally hardened surface formed by a hardened region of the heat affected zone.

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Description

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