Specmade Products, Inc. v. Barnett

247 F. Supp. 75, 148 U.S.P.Q. (BNA) 128, 1964 U.S. Dist. LEXIS 9055
CourtDistrict Court, N.D. Georgia
DecidedApril 16, 1964
DocketCiv. A. No. 7717
StatusPublished
Cited by2 cases

This text of 247 F. Supp. 75 (Specmade Products, Inc. v. Barnett) is published on Counsel Stack Legal Research, covering District Court, N.D. Georgia primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook
Specmade Products, Inc. v. Barnett, 247 F. Supp. 75, 148 U.S.P.Q. (BNA) 128, 1964 U.S. Dist. LEXIS 9055 (N.D. Ga. 1964).

Opinion

HOOPER, District Judge.

Plaintiffs in this action are Specmade Products, Inc., a corporation of California, and Richard G. Butler, a resident of California, as owners of Patent No. 2990736 issued to plaintiffs on July 4, 1961 covering (in Claims 1 to 3 inclusive) a method of repairing tubeless tires, and (in Claims 4 to 10) the tools to be used therein, the inventor being Loid Crandall.

One defendant, J. A. Barnett, resides in Atlanta; defendants J. H. McDonald, A. McPherson and George B. Bowling, doing business as a partnership, also reside in Atlanta. Buxbaum Products Company of Ohio and E. Z. Manufacturing Company of Ohio have intervened in this action. While the jurisdiction of this Court is now questioned, objections thereto are OVERRULED.1 Defendants denied infringement, disputed the validity of plaintiffs’ patent, and asserted a special defense of mis-use of patent by the plaintiffs. The validity of plaintiffs’ patent is discussed below:

PLAINTIFFS’ PATENT.

1- This patent relates to a method of repairing tubeless tires without removing the tire from the wheel. The principal controversy revolves around the method claims, being Claims 1 to 3 inclusive. The tools in question will be briefly described in connection with the method claims, however.

The first step in the process is to insert in the puncture hole an instrument called a “probe.”2 The probe when pushed through the puncture hole does to a slight extent expand the same, and it is then withdrawn.3 Plaintiffs’ probe, [77]*77and that of another patent, each remove only a slight bit of rubber, and there is very little cutting of the cords in the tire. The probe is removed and then there is inserted in the puncture hole an instrument termed a “guide.”4 When the guide has been placed in the puncture hole a plunger containing a rubber repair plug is thrust through the guide, and as the head of the plug emerges from the far end of the guide, it is first folded back and then expands to its normal shape. At this point a description of the plunger and rubber repair tube is necessary.

The plunger (sometimes referred to as the plug carrier) is essentially a hollow cylinder of small diameter several inches long, with a handle in the form of a disc at one end.

The “plug element” consists of three parts: The head of the plug, and then a portion of the stem attached to the head, and then the remainder of the stem, same being of reduced diameter.5 The rubber plug is placed in the plunger in the following manner. The tail end of the plug, having a small diameter, is inserted into the end of the plunger opposite the handle of the same and is pushed on through until it emerges from the other end, whereupon it is caught by the hand and pulled; this pulling naturally reduces the larger diameter of the tail of the plug and permits such larger diameter to be pulled into the plunger until the head of the plug rests against one end of the plunger. This part of the process is very important because it involves all of plaintiffs’ claims in their patent concerning “applying longitudinal tension to reduce the diameter of the solid stem,” and (as contained in Claim 1 of the patent) inserting the tire repair plug “with a portion of the stem held under a condition of reduced section.” This is subsequently hereinafter discussed. The puncture hole having been previously lubricated by dipping the probe in lubricant and inserting it in the hole, and the guide containing the plunger and the tube having been inserted herein, the next step is to pull the guide out of the puncture hole and this causes both the guide and the plunger to leave the same, and causes the head of the plug to be pressed against the interior of the tire, and the tail of the plug to be stretched and pulled through the puncture hole, and extending beyond the outside of the casing, the excess being then cut off. It is just at this point that most of the controversy in this case arises, as it appears from the file history that this feature was added by amendment to plaintiffs’ patent, causing the same to be allowed after it had previously been rejected.

The foregoing covers in a general way Claims 1 to 3, being the method claims, and it also touches upon Claims 4 through 10, covering the apparatus or set of tools used. Claims 4 through 7 concern the probe, Claims 8 and 9 cover the combination of the probe and guide, and Claim 10 calls for the combination of the guide and the plunger. These tools display the utmost simplicity and appear in various forms in prior patents, the differences being for the most part only in degree. In some patents the guide is larger; in [78]*78most of them the probe does not have quite a plurality of “annular grooves,” and there are other variations.

Before the Patent Commissioner applicants for this patent urged novelty and invention in this respect: That when the guide and plunger were withdrawn from the tire, the tail of the rubber plug as it left the plunger would expand, the wall of the tire as the plunger left it would contract, thereby giving a tighter, safer and better result than previous patents afforded. The patent refers to a “lateral outward flow of the rubber.” 6 Discussion before the Court on this phase is contained in the Transcript of December 9, beginning at page 24. This Court was at first of the opinion that “when you pulled the guide and plunger out (the rubber plug) does tend to expand.” (See p. 25) That, however, is not correct. The facts bear out statement made by defense counsel (see p. 26): “As you pull it out you cannot expand. You reduce it. Stretch it. Its only after you let go that the tendency to expand * * * would be up for consideration.” With that statement the Court agrees. A careful consideration of the evidence in this case bears out the above. Physical laws also make such a finding mandatory. Regardless of whether or not the tail of the rubber plug while in the plunger is in a state of compression or tension (it is really in both), this Court will take cognizance of the fact that, as the plunger is pulled out of the tire the tail of the rubber plug (the head of the same being fixed inside the tire) will be stretched, and such stretching necessarily reduces the diameter of the stem of the plug. It is true, that as the plunger leaves the stem, the temporarily expanded walls of the puncture hole close in and encase the stem and hold it aided by the lubrication (or cement). This process continues until all of the enlarged portion of the plug stem has emerged from the plunger. When the plunger completely leaves the puncture hole some of the stem still extends beyond the tire, and it is cut off. If there were a subsequent expanding of the stem there would necessarily have to be a shortening of its length, but that does not occur. Furthermore, tests made by the defendants (not controverted by similar tests in behalf of plaintiffs) show that an actual cross-section of the tire, containing plaintiffs’ repair, shows the plug stem to be no larger (and perhaps smaller) than it was while contained in the plunger, which shows conclusively that it did not as it emerged from the plunger “flow outward.” 7

This Court therefore finds that, in the use of plaintiffs’ patent, there is a tight fit, but it is not shown that the same thing does not pertain to other processes, and this Court finds there is not any [79]

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247 F. Supp. 75, 148 U.S.P.Q. (BNA) 128, 1964 U.S. Dist. LEXIS 9055, Counsel Stack Legal Research, https://law.counselstack.com/opinion/specmade-products-inc-v-barnett-gand-1964.