"Fees on instruments for obtaining patents. (a) Up to sealing. On application for provisional protec-£ s. d. £ s. d. tion .. . . .. ..1 0 0 On filing complete specification . . 3 0 0 4 0 0 Or On filing complete specification with first application 4 0 0 (b) Further before end of four years from date of patents. On certificate of renewal 50 0 0 (c) Further before end of seven years, or in the case of patents granted after the commencement of this Act, before the end of eight years from date of p…