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Inventors

Mamoru MIYAMOTO Kenji ARAI Masataka KAWASAKI Hideshi HITOSUGI

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NIPPON PISTON RING CO., LTD.

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NIPPON PISTON RING CO., LTD.

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COMBINED OIL RING

15/329,282 | U.S. Patent Application

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Location ELECTRONIC

Filed Jan. 26, 2017

Examiner LAKSHMI S KONERU

Class 277

Art Group 3675

Case Type Utility - 277/489000

Status Non Final Action Mailed

Parent PCT/JP2015/070831 Published

Child 2014-157068

Child 2015-085042

Last Updated: 4 years, 5 months ago

Date	#	Transaction
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COMBINED OIL RING

15/329,282 | U.S. Patent Application

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