Array
(
[id] => 3461882
[patent_doc_number] => 05398431
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1995-03-21
[patent_title] => 'Single stage snowthrower impeller'
[patent_app_type] => 1
[patent_app_number] => 7/474432
[patent_app_country] => US
[patent_app_date] => 1990-02-02
[patent_effective_date] => 0000-00-00
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[patent_no_of_words] => 5968
[patent_no_of_claims] => 12
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/398/05398431.pdf
[firstpage_image] =>[orig_patent_app_number] => 474432
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/474432 | Single stage snowthrower impeller | Feb 1, 1990 | Issued |