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(
[id] => 832237
[patent_doc_number] => 07395797
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2008-07-08
[patent_title] => 'Piston for internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 11/703739
[patent_app_country] => US
[patent_app_date] => 2007-02-08
[patent_effective_date] => 0000-00-00
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[patent_figures_cnt] => 19
[patent_no_of_words] => 4568
[patent_no_of_claims] => 4
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[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/395/07395797.pdf
[firstpage_image] =>[orig_patent_app_number] => 11703739
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/703739 | Piston for internal combustion engine | Feb 7, 2007 | Issued |