Patent Practice Before the Comptroller and the Law Officers; With an Abstract of Reported Cases, and Appendix I. Bringing the Cases Down to the End of the Year 1892 (Paperback)

This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1893 edition. Excerpt: ..._ and by inserting at the end of a claim already concluding with the words "substantially in the manner described," the additional words " and as illustrated in the accompanying drawings." ' The Comptroller refused both amendments. On appeal, 'VEBsTER, Att. Gen., allowed the first amendment, but refused the second, holding that the claim, as it stood originally, was suflicient. No order was made to return the fee on the notice of appeal, this being a case which the Comptrpller had rightly left to the Law Officer. Re NoRDENFELT. Gr. A. P. C. 18. Application for leave to amend the specification of a patent, No. 8269 of 1885, for "Improvements in the manufacture of castings from wrought iron and steel." The invention related to the admixture of a small quantity of aluminium or its alloys with molten iron or steel shortly before the metal was poured, whereby it was said that the metal gained in fluidity, and was better adapted for casting. The specification stated that the addition of the aluminium or alloy should be made to the molten metal shortly before it was poured, and that, " The addition might, however, be made earlier." By amendment it was proposed: --(1) To strike out the words in italics. (2) To introduce a long' explanatory clause ending with a statement of proportions of the metal, aluminium, which would suflice to produce the result. The Comptroller refused both amendments. On appeal, WEBsTER, Att. Gen., allowed the excision of the words in question, it being clear that this alteration did not extend the claim, but refused the other amendment, and said: --Before the patentee can insert anything into a description, which, if the invention were new, was sufficient, and if...