In the District Court of the United States, for the Eastern District of Pennsylvania, the United States of America, petitioner, vs. Motion Picture Patents Company, et al., defendants (1914)

Record Details:

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3304 Petitioner's Exhibit No. 267. ject to be attained, would hardly have selected a solvent which could not accomplish that object. Knowing the properties of nitrobenzole, he naturally would seek an equivalent having similar properties and not one having properties which would defeat the object in view. Later on, in response to a demand from the Patent Office, Goodwin removed all doubt by actually stating what we think the law implied, that he used "Xitrobenzole or other non-hydrous and non-hygroscopic solvents such as may be employed in producing celluloid, as distinguished from collodion." This amendment was within his rights; Hobbs v. Beach, 180 U. S., 383; Cleveland Foundry Co. v. Detroit Stove Works, 131 Fed. Rep., 853. But without the amendment we can hardly imagine a chemist stupid enough to select the "other solvent1' from those solvents which he must know would not do the work. Goodwin says in the specification, "In carrying out the invention I provide a suitable surface, such as that of glass, and flow over the same a solution of nitrocellulose (by which I do not mean a solution of the compound known as 'commercial celluloid' dissolved in alcohol or ether) dissolved in nitrobenzole", etc. The defendant now argues that as commercial celluloid contains damphor this language amounts to a disclaimer of camphor and that one who uses camphor in any amount, however small, avoids infringement. Wo think this contention is hypercritical and one which must be rejected by any fair and reasonable construction of the patent. Manifestly the patentee had in mind the amount of camphor used in commercial celluloid, which is said to be from 40 to 60 per cent. If he intended by the language to disclaim anything, it was such excessive use which, the proof shows, could not be successfully used to produce the result he had in view. He was endeavoring to distinguish his solution of nitrocellulose from the solution used in celluloid. Tn other words, he told the art that a solution containing from 40 to 00 per cent, of camphor would not do, but he never said that 13 or 14 per cent, of camphor would not do. Surely he did not intend to say that one who used his formula could