Array
(
[id] => 1225490
[patent_doc_number] => 06700290
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2004-03-02
[patent_title] => 'Brush assembly with axially spaced brush arms which have different resonant frequencies'
[patent_app_type] => B1
[patent_app_number] => 07/702615
[patent_app_country] => US
[patent_app_date] => 1991-05-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 0
[patent_no_of_words] => 1131
[patent_no_of_claims] => 1
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 308
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/700/06700290.pdf
[firstpage_image] =>[orig_patent_app_number] => 07702615
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/702615 | Brush assembly with axially spaced brush arms which have different resonant frequencies | May 16, 1991 | Issued |