Kashiyama Kougyou Industry Co., Ltd.

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Patent Activity in the Last 10 Years

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D471208 Vacuum pump rotorDec 18, 00Mar 04, 03[1502]
D456422 Vacuum pump rotorDec 18, 00Apr 30, 02[1502]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6514035 Multiple-type pumpExpiredJun 28, 01Feb 04, 03[F04D]
6464452 Vacuum pumpExpiredMar 26, 01Oct 15, 02[F04D]
6302641 Multiple type vacuum pumpExpiredJan 07, 00Oct 16, 01[F03B, F01D]

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