Patent No. EP4561931 (titled "A Method For Detecting At Least One Litter Object Inside An Elevator Car And An Elevator Car Litter Detection System") was filed by Kone on Jul 27, 2022. The application was issued on Jun 4, 2025.

The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.
Date
Description
Get instant alerts for new documents