Array
(
[id] => 1569538
[patent_doc_number] => 06497851
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2002-12-24
[patent_title] => 'Engine exhaust treatment apparatus and method of use'
[patent_app_type] => B1
[patent_app_number] => 08/576198
[patent_app_country] => US
[patent_app_date] => 1995-12-21
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 4
[patent_no_of_words] => 10434
[patent_no_of_claims] => 28
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[patent_words_short_claim] => 113
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/497/06497851.pdf
[firstpage_image] =>[orig_patent_app_number] => 08576198
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/576198 | Engine exhaust treatment apparatus and method of use | Dec 20, 1995 | Issued |