Patents and Designs (Renewals, Extensions and Fees) Act 1961
CHAPTER 25 An Act to extend to six months the period of grace for the payment of renewal fees for patents and the payment of fees for the extension of the period of copyright in registered designs, to provide a like period of grace for the making of applications for such extension, to validate certain extensions of the said period of copyright, and to provide for amending provisions of the Patents Act, 1949, relating to fees. [22nd June, 1961]
BE it enacted by the Queen's most Excellent Majes...