{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9810671","patent":{"patent_number":"US-9810671","title":"Apparatus with timed color change indication","assignee":null,"inventors":[],"filing_date":"2015-08-10T00:00:00.000Z","publication_date":"2017-11-07T00:00:00.000Z","cpc_codes":["G01N","A61B","A61B","A61B","A61B","A61B","A61B","G01D"],"num_claims":16,"abstract":"An apparatus with time controlled color change indication comprises an apparatus includes a disposable, limited or restricted use product and an oxygen sensing color changeable dye disposed on a portion of the apparatus, the dye being translucent or having a first color upon application and for a defined time thereafter and the dye changing color after exposure to oxygen for the defined time. For example, a packaging for containing a product for human consumption has a portion with a color changeable dye disposed thereon. The dye changes color after being exposed to oxygen for a controlled and predetermined period of time indicating that the product for human consumption should no longer be consume or has decreased in freshness, quality of taste or potency."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Apparatus with timed color change indication","description":"An apparatus with time controlled color change indication comprises an apparatus includes a disposable, limited or restricted use product and an oxygen sensing color changeable dye disposed on a porti","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9810671","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-9810671","citation_suggestion":"Patentable. \"Apparatus with timed color change indication\" (US-9810671). https://patentable.app/patents/US-9810671","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9810671","json":"https://patentable.app/api/llm-context/US-9810671","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T15:33:04.587Z"}