BEIJING HENGYECUN S&T CO., LTD.
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Nov 05, 2009 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 2 Total Citation Count
- Dec 29, 2007 Earliest Filing
- 6 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
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Recent Publications
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Recent Patents
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Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
2009/0166,267 METHOD WHICH TURNS CONSTRUCTION WASTES INTO BUILDING MATERIALSAbandonedDec 29, 07Jul 02, 09[B03C, E04G]
2009/0170,977 BUILDING BOARD MADE OF MUNICIPAL REFUSE AND AGRICULTURAL PLANT WASTES AND MANUFACTURING METHOD THEREOFAbandonedMay 14, 08Jul 02, 09[C04B]
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