{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11521170","patent":{"patent_number":"US-11521170","title":"Maintaining accurate cart-state using auto-generated sensor data","assignee":null,"inventors":[],"filing_date":"2021-03-29T00:00:00.000Z","publication_date":"2022-12-06T00:00:00.000Z","cpc_codes":["G06Q","G06Q"],"num_claims":20,"abstract":"This disclosure describes techniques for utilizing sensor data to determine the results of events within a system. Upon receiving sensor data indicative of an event, the sensor data is analyzed to determine a result of the event. For instance, a user may identified upon entry to a facility, may pick items from shelves in the facility, and may be identified upon exit. Contents of a virtual shopping cart of the user may be maintained based on analysis of the sensor data as the user picks the items. When a user exits, a payment instrument of the user may be charged for a cost of the items and a receipt may be sent to a device of the user. A state-invariant time, representing a time before which all events have been processed, may be maintained such that no shopping sessions are finalized prior to the state-invariant time to avoid mistaken charges."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Maintaining accurate cart-state using auto-generated sensor data","description":"This disclosure describes techniques for utilizing sensor data to determine the results of events within a system. Upon receiving sensor data indicative of an event, the sensor data is analyzed to det","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11521170","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-11521170","citation_suggestion":"Patentable. \"Maintaining accurate cart-state using auto-generated sensor data\" (US-11521170). https://patentable.app/patents/US-11521170","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11521170","json":"https://patentable.app/api/llm-context/US-11521170","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T01:57:14.693Z"}