If you use assistive technology (such as a screen reader) and need a
version of this document in a more accessible format, please email firstname.lastname@example.org.
Please tell us what format you need. It will help us if you say what assistive technology you use.
Patent decision: O/145/92 in the matter of proceedings for revocation under Section 73(2) for Patent application no 2176670 in the name of Citizen Watch Co. Ltd dated 17 August 1992.