Reports of Patent, Design and Trade Mark Cases Volume 4

Reports of Patent, Design and Trade Mark Cases Volume 4

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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. 1888 edition. Excerpt: ...that he had infringed. The. Defendant denied infringement and alleged that if the patent was so construed as to cover the alleged infringement it would be void for want of novelty. Held (1) that the Court would regard with extreme jealousy the Defendant's claim as being in derogation of his own grant and would assume that the grant must have a reasonable meaning, (2) that the essence of the amended patent was the alteration of steam and water spaces of the particular character described and shewn in the figures, combined, if convenient, but not of necessity with concentricity, and 3) that Defendant's apparatus infringed although it contained certain minor ifierences and additions and in one form only a single steam space, while in the rest the spaces were not concentric. The Plaintiffs were the owners of a patent (No. 983 of 1877) for " An "improved apparatus for heating water and other liquids applicable also as a " condenser, cooler, or refrigerator " granted to the Defendant and subsequently amended by a disclaimer and memorandum of alteration filed on the 7th of August, 1883 by assignees of the Patent who afterwards assigned to the Plaintiff Co. The Specification as read with the disclaimer and memorandum of alteration inserted therein and printed (in this reproduction) in italics stated as follows: --" My invention relates to a novel form of apparatus " for heating water and other liquids, particularly when such water is used for " baths, for heating conservatories, greenhouses, dwelling-houses and other " similar purposes, and especially where gas is employed as the heating agent. " My invention is applicable for heating other liquids than water and also to be ..".show more

Product details

  • Paperback | 356 pages
  • 189 x 246 x 19mm | 635g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236861272
  • 9781236861276