{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-10521074","patent":{"patent_number":"US-10521074","title":"System and method for a back stack in a multi-application environment","assignee":null,"inventors":[],"filing_date":"2014-07-31T00:00:00.000Z","publication_date":"2019-12-31T00:00:00.000Z","cpc_codes":["G06F","G06F","G06F","G06F","G06F"],"num_claims":20,"abstract":"A system and method for a back stack in a multi-application environment, wherein the method comprises adding an entry to a last-in-first-out (LIFO) data structure, the entry comprising application state information descriptive of an application state of a software application and display state information descriptive of a display state of a display surface of a touch screen device, adjusting a LIFO data structure pointer to reflect a revised LIFO data structure state resulting from the adding the entry, receiving a back button actuation indication, in response to receiving the back button actuation indication, restoring the software application to the application state and restoring the display surface to the display state, and readjusting the LIFO data structure pointer to reflect an original LIFO data structure state that existing prior to the adding the entry."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"System and method for a back stack in a multi-application environment","description":"A system and method for a back stack in a multi-application environment, wherein the method comprises adding an entry to a last-in-first-out (LIFO) data structure, the entry comprising application sta","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-10521074","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-10521074","citation_suggestion":"Patentable. \"System and method for a back stack in a multi-application environment\" (US-10521074). https://patentable.app/patents/US-10521074","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-10521074","json":"https://patentable.app/api/llm-context/US-10521074","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T18:49:38.984Z"}