{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8480479","patent":{"patent_number":"US-8480479","title":"Gaming machine capable with free game play","assignee":null,"inventors":[],"filing_date":"2010-10-15T00:00:00.000Z","publication_date":"2013-07-09T00:00:00.000Z","cpc_codes":["G07F","G07F","A63F","A63F"],"num_claims":5,"abstract":"A gaming machine comprises: a display device for displaying symbols variably and statically on a display screen; a contact input device to be operated; a storage device for storing winning combinations of symbols; and a processor being operable to: conduct another internal lottery to determine a combination of symbols to be displayed statically; determine whether the determined combination matches one of the predetermined winning combinations; provide a payout corresponding thereto when the statically displayed combination is determined to match the one; shift a game to a feature game when the statically displayed combination is determined to include a trigger symbol; urge a game player to operate the contact input device to trigger the internal lottery in the feature game; and provide a point to one of a plurality of feature levels in the feature game such that an accumulated points may reach a predetermined number of points."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Gaming machine capable with free game play","description":"A gaming machine comprises: a display device for displaying symbols variably and statically on a display screen; a contact input device to be operated; a storage device for storing winning combination","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8480479","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-8480479","citation_suggestion":"Patentable. \"Gaming machine capable with free game play\" (US-8480479). https://patentable.app/patents/US-8480479","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8480479","json":"https://patentable.app/api/llm-context/US-8480479","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T14:59:07.075Z"}