Reports of Patent Cases (Volume 1); Decided in the Circuit Courts of the United States Since January 1, 1874

 
9781150284267: Reports of Patent Cases (Volume 1); Decided in the Circuit Courts of the United States Since January 1, 1874
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1881. Excerpt: ... Tufts v. Boston Machine Co. Otis Tufts Et Al. vs. The Boston Machine Company. In Equity. In view of the prior state of the art, the twelfth claim of the patent for improvements in hoisting apparatus and elevators, granted to Otis Tufts, August 9. 1859, No. 25,061, which is for " passing the shipping-rods, and the cord or rod that operates the friction-brake, through the car or platform, for the objects and purposes set forth," must be construed strictly in accordance with its language, as a claim for passing the described shipping rods, and the described cord or rod operating the friction-brake, or their equivalents, through the car or platform, for the purposes set forth. The first claim of the patent for improvements in the mode of suspending and operating elevators, etc., granted to Otis Tufts, May 28, 1861, No. 32,441, which is for "constructing an elevator, or hoisting-apparatus, with a scries of two or more hoisting ropes or chains, having independent attachments, and winding simultaneously upon the hoisting-drum, for greater safety, substantially as described," held invalid for want of novelty. The second claim of the patent of May 28, 1861, for " equalizing the strain upon the series of ropes or chains of my" (Tuft's) 'improved elevator or hoisting-machine by automatic adjustment, substantially as described," held invalid for want of novelty. The first clause of the patent granted to Otis Tufts, Dec. 11, 1866, No. 60.443, fr improvement in means for guiding elevators, held invalid for want of novelty. (Before Shepley, J., District of Massachusetts, January, 1875.) Shepley, J. This is a bill in equity, brought for alleged infringement of letters patent, issued to Otis Tufts, dated August 9, 1859, and extended seven years, for improvements in hoisti...

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