Patent certificates
Pressure-Balancing Flowmeter — Design Patent
Grant record
- Document no.
- ZL 2012 3 0432462.2
- Scope
- Historical design-patent grant certificate for the appearance of a pressure-balancing flowmeter.
- Validity
- Granted 27 Mar 2013; shown as a historical grant record, not evidence of current enforceability.
Applicability boundary
The certificate records a grant at the publication date. Current legal status must be checked in the official patent register, and a patent grant does not by itself establish product performance or model approval.