Section 84—86 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .F1 Repealed Annotations Textual amendments F1 Ss. 73–75, 77–79, 81–86 repealed by Patents Act 1977 (c. 37), Sch. 6 ← Section 81—83 Section 84—86 Section 87 →