Stapleton v. Kinney

18 App. D.C. 394, 1901 U.S. App. LEXIS 5073
CourtCourt of Appeals for the D.C. Circuit
DecidedJune 7, 1901
DocketNo. 170
StatusPublished

This text of 18 App. D.C. 394 (Stapleton v. Kinney) is published on Counsel Stack Legal Research, covering Court of Appeals for the D.C. Circuit primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook
Stapleton v. Kinney, 18 App. D.C. 394, 1901 U.S. App. LEXIS 5073 (D.C. Cir. 1901).

Opinion

Hr. Justice Shepard

delivered the opinion of the Court:

This is an appeal from the decision of the Commissioner of Patents in an interference proceeding involving priority of invention of an improved rubber tire for the wheels of vehicles. This issue is in the following words:

A tire for vehicles comprising an annular channel, an annular elastic body compressed in the direction of its length and molded with a continuous closed chamber throughout its length, and a retaining-ring embedded within and filling said [395]*395chamber and having its ends joined together, said ring consisting of a central web having solid thickened edges, said thickened edges extending both above and below the plane, of said web and thus forming channels on both sides of the ring to receive the compressed rubber of the body, and hold the ring against lateral displacement.”

Frank W. Kinney filed his application for patent January 16, 1899, and was followed by Charles W. 'Stapleton on the 23d day of the following June.

We agree with the tribunals of the Patent Office that the following facts are fairly established by the evidence:

Stapleton conceived the invention of the issue and disclosed it to others about April 1, 189Y, and reduced it to actual practice about November 1, 1899. .Kinney conceived and disclosed it about October 15, 1898, made and put in use upon a vehicle, a full set of tires embodying the improvement about April 1, 1899.

Stapleton, though first to conceive, did not enter the Office, even, until more than two months after Kinney had begun the manufacture and sale of the improved tires; hence the burden of showing due diligence was cast upon him. In determining this issue it is of importance to know what was the state of the art in which the invention is an improvement, and some of its conditions will be briefly stated.

Rubber tires had been in use upon vehicles for some years, and many different forms of construction had been experimented with. Two only of the special devices used for retaining the rubber tire in the flange on the wheel-rim need be described, because they were greatly superior to all others and, besides, have near relation to the improvement of the issue. One of these consisted of two round steel wires inserted in the tires parallel with each other and a short distance apart; the sizes of wire and separating distances varying with the width of the tire. The other was a flat steel hand with straight edges likewise inserted in an aperture in the tire.

The rubber sections were cut in the desired lengths and the retaining wires or bands inserted. The ends of the lat[396]*396ter were then fastened by riveting, brazing, or electric welding, and the inclosing rubber ends were brought together and cemented. It was soon discovered that the retaining wires of the first construction had a tendency, especially under hard usage, to cut down through the inclosing rubber tire, thereby gradually destroying it, as well as reducing the constriction. They seem, however, to have worked better than the fiat band that had been devised to remedy their defects in this respect, because the lateral cutting of its straight edges was more rapidly destructive of the tire.

The improvement of the issue is a practical combination of the two earlier devices. The two round wires are joined together by a flat band varying in width with that of the tire. It is claimed for the improved retaining device, that joining the wires in this manner prevents the downward wear, whilst their operation in rounding the edges of the band prevents the dangerous lateral cutting. The first method of applying the rubber tire was to fasten the ends as above described. It -was then stretched and pushed over the edge of the flange until it dropped into its proper place therein. This construction and application were attended with two difficulties that operated against the commercial use of the tire. First, there was the danger of severing the connections of the retaining wires or band under the strain of the necessary stretching; second, the tire was often too loose when forced to its place in the flange.

Efforts were early made by manufacturers to devise a better means for applying the tires to wheels. Stapleton, who is a skilled patent attorney, had been a practical mechanic in early life. He testified that throughout 1897, and until October 15, 1898, he had been “ president and manager of the American Rubber Tire Co., and actively engaged in looking after its business, also practicing law. During this time I looked after not only the business features of the company, but the mechanical as well; in fact, did substantially all of the mechanical part of the work so far as designing and devising tools, machinery and tires are concerned.”

Again he said: “ I was never satisfied with the method [397]*397of first making the tire into a lioop and stretching it over the flange, and since ahont January, 1897, I began to evolve a plan to apply them hy drawing them up within the steel¡ flange. That had never been done, so far as I know, until the fall of 1897,- when the Rubber Tire Wheel Co., Morgan and Wright, and myself, all working to reach that end, accomplished it about the same time by different tools or the use of different tools. This system, however, was not perfected so that it could be said to be thoroughly practicable, until late in 1898.”

It appears from testimony, on behalf of Kinney that the Morgan and Wright method of bringing the retaining -wires and rubber tires together in the channels of the wheel-rims, was practiced in the shops of the Calumet Rubber Tire Co. in January, 1897. The ends of the wires were clamped and the” rubber was compressed and forced back a short distance to a point on each side where it was firmly held by a vise. The tire was then brought around the wheel in the channel and the wires were drawn until the desired tension was had. The ends were fastened by threaded sleeves. The clamps were then removed and the rubber was driven back to meet over the joint, by striking against the wall or with a heavy mallet. In February, 1897, an improvement was made in the clamping system and the wires were joined by brazing instead of screwing together as before. Many tires were thus applied and sold to customers. Kinney subsequently worked upon and had made a device for clamping the tires and reducing the compression of the rubber after fastening the retaining wires.

It may be assumed that the retaining band of the issue was harder to stretch over the flange of the rim in the old way than'the other devices had been, and that it was of very great importance to devise an effective way to fasten it in the channel. Kinney discovered the improvement and filed his application for a patent before securing a satisfactory device for the purpose. He subsequently manufactured tires with the improved bands, and applied them to the wheels as he had applied the others in January and February, 1897. [398]*398It was shown that some other factories used the Morgan and Wright process, or others of their own adaptation, in applying rubber tires in 1897, 1898, and early in 1899.

We come now to consider the special grounds offered by Stapleton in excuse of his apparent delay in reducing to practice his conception of the improvement in, or before, April, 1897.

It must be remembered that he was fully informed of the state of the art, and alive to the defects of all the retaining devices then in use.

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18 App. D.C. 394, 1901 U.S. App. LEXIS 5073, Counsel Stack Legal Research, https://law.counselstack.com/opinion/stapleton-v-kinney-cadc-1901.