Automatic Weighing Mach. Co. v. Pneumatic Scale Corp.

158 F. 415, 1908 U.S. App. LEXIS 4953
CourtU.S. Circuit Court for the District of Maine
DecidedJanuary 1, 1908
DocketNo. 582
StatusPublished
Cited by7 cases

This text of 158 F. 415 (Automatic Weighing Mach. Co. v. Pneumatic Scale Corp.) is published on Counsel Stack Legal Research, covering U.S. Circuit Court for the District of Maine primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook
Automatic Weighing Mach. Co. v. Pneumatic Scale Corp., 158 F. 415, 1908 U.S. App. LEXIS 4953 (circtdme 1908).

Opinion

PUTNAM, Circuit Judge,

This is a bill in equity alleging infringement of the first seven claims of a patent relating to an automatic weighing machine, No. 766,004, issued on July 26, 1904, to Edward G. Thomas on an application filed on December 17, 1896. The respondent claims under a patent which, so far as this case is concerned, is agreed to be identical, No. 633,675, issued to the assignee of George W. Watson on September 26, 1899, on an application filed on March 11, 1898. It will be noticed that the application for the patent to Watson was filed after the application for the patent to Thomas, but that the patent to Watson was granted first. This is said to have been through an oversight on the part of the Patent Office; but we do not perceive that we are concerned in determining precisely how this happened, or that the record enables us' so to do, or that it would be of any substantial importance in this case, or to any party except the United States, to determine whether or not the patent to Watson was thus issued. After the patent to Watson issued, the case went to the Court of Appeals of the District of Columbia, under section 4911 of the Revised Statutes as amended by the act to establish the Court of Appeals for the District of Columbia, approved on February .9, 1893, c. 74, 27 Stat. 436 [U. S. Comp. St. 1901, p. 3391].- That court decided in favor of Thomas. 23 App. D. C. 65. We have no particular occasion to refer to that decision, except to the facts stated at page 67, which' indicate that the questions involved are not practically free from doubt. In the Patent Office, the Examiner of Interferences adjudged priority to Thomas. He was reversed by the Board of Examiners, who were again reversed by the Commissioner of Patents, whose decision in favor of Thomas was affirmed by the Court of Appeals.

No one claims that the decision of the Court of Appeals is conclusive on the issue here’; but it is maintained by the complainant that it is very persuasive. We should so regard it, and probably should follow it, .if the issues were the same as those before us, although the proofs were not obtained on examination and cross-examination as in the case here. In Prindle v. Brown, 155 Fed. 531, the Court of Appeals for “this circuit pointed out the peculiarities of the proceedings on interferences, even on appeal; so that, so far as the decision of the Court of Appeals is concerned, we rest on what we have said, with what is also said by the opinion in Prindle v. Brown, with the single addition which will be found to be of importance, that the Court of Appeals of the District of Columbia decided only as between two different persons claiming patents for the same invention, while here we are compelled to decide as between a party holding a patent and the general public. In the former case, each party to the issue was supposed to have been an 'inventor, .and the question was one only of priority; while with us the question is whether Thomas was an original inventor under the statutes as against the the public at large.

The invention in this case lies almost entirely in the conception because it is apparent that, whén the conception had been fully explained, any person of ordinary skill in the art could put it into practical form. [417]*417The invention lies in the following propositions: It relates to a class of automatic weighing machines in which a succession of package! are fed automatically from a hopper containing the material, and simultaneously weighed and carried away. Prior to the invention in question, there was but a single hopper, and the packages were brought in succession to the platform of a scale beneath that hopper; and as each package came into position on the scale, the gate closing the mouth of the hopper was opened, and when a sufficient weight had been delivered to the package to tip the scale, the gate was closed automatically, and the package was carried away and another one put in its place. The patents are substantially identical, and each of them explains the improvement on the single hopper device in about the same way. Each points out the advantage of a double hopper machine, which is the subject-matter of the patent, and which we need not enlarge on. What was to be accomplished was speed and accuracy, of course avoiding waste. With a single hopper, if the material was fed rapidly, it led to waste before the gate could be closed; and, if in order to avoid waste, it was fed slowly, the operation would not be sufficiently speedy. Hence the idea, which forms the substance of the invention, of adding a second hopper, so that the package was partly filled quickly from the first hopper, without any special care as to accuracy, and then more accurately from the second hopper with a finer stream until the exact weight was reached, each hopper working simultaneously, but with a different package. Of course, the first hopper filled the larger part of the package, so that the second hopper, having less material to deal with, could receive more accurate handling, but in the same length of time required for the operation of the first hopper.

Watson completed his conception in January, 1896. As to this conception, the complainant admits as follows, coupling it with its own notion of the sole issue in the case:

“It will not be denied, in the present controversy that Watson had conceived the invention, as found by the Commissioner and the Court of Appeals, by January, 1896, which is prior 1o the date of conception by Thomas. The sole issue, therefore, on this defense of prior invention, would seem to be whether Watson had sustained the burden of proof upon him to show the ‘reasonable diligence’ required by the statute.”

This is followed by a statement from the complainant that it was not contended in the proceedings in the Court of Appeals of the District of Columbia, and would not be contended here, “that Watson was not in possession of a complete conception of the invention as early as January 10, 1896.” It is also shown by both Watson and one Doble, for whom he was working, that in January, 1896, Watson explained the conception to Doble, and showed him drawings of the details of the mechanism covering each step in the series required to make an operative machine; and, referring to this, Doble testified as follows:

“Q. When Mr. Watson explained this drawing to you, did you understand the mechanism shown in it? A. I did fully.”

This drawing was preserved and produced before us, and no question is made as to the date of its origin nor as to its sufficiency in [418]*418representing, so that any person skilled in the art might fully understand, not only the underlying conception, but the ordinary method, of putting it into operation. We are not therefore met with any of the difficulties in regard to the amount of proof required discussed in Brooks v. Sacks, 81 Fed. 403, 26 C. C. A. 456, cited and explained by the Circuit Court of Appeals for this circuit in Westinghouse Co. v. Stanley Co., 133 Fed. 167, 174, 177, 179, 68 C. C. A. 523. The facts are put beyond controversy; the only question is as to their effect.

As stated in the opinion of the Court of Appeals of the District of Columbia, Watson made no further effort with reference to the invention in question until January, 1897, when he made some working drawings, and nothing further thereafter until he filed his application for á patent. The view expressed by Mr. Justice Story in Reed v. Cutter, 1 Story, 590, 600, Fed. Cas. No.

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Bluebook (online)
158 F. 415, 1908 U.S. App. LEXIS 4953, Counsel Stack Legal Research, https://law.counselstack.com/opinion/automatic-weighing-mach-co-v-pneumatic-scale-corp-circtdme-1908.