4.1 Usable surface area of sheets 4.2 Numbering of sheets of drawings Source: http://www.epo.org/law-practice/legal-texts/html/guidelines/e/a_ix_4.htmDate retrieved: 17 May 20214 references found. Click X to load a reference inside the current page, click on the title to open in a new page.EPO Guidelines - A Formalities ExaminationXGL A Overview Loading...XGL A IX – Drawings This Chapter of the Guidelines deals with the requirements to be met by drawings contained in the application or patent. However, it should be noted that the comments on the provisions of Rule 49 apply generally to the [..]Loading...XGL A IX 4.1 Usable surface area of sheets Loading...XGL A IX 4.2 Numbering of sheets of drawings Loading...