City of St. Louis v. Prendergast

29 F.2d 188, 1928 U.S. App. LEXIS 2644
CourtCourt of Appeals for the Eighth Circuit
DecidedSeptember 28, 1928
Docket8001
StatusPublished
Cited by7 cases

This text of 29 F.2d 188 (City of St. Louis v. Prendergast) is published on Counsel Stack Legal Research, covering Court of Appeals for the Eighth Circuit primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook
City of St. Louis v. Prendergast, 29 F.2d 188, 1928 U.S. App. LEXIS 2644 (8th Cir. 1928).

Opinion

BOOTH, Circuit Judge.

This is an appeal.f rom a decree which held valid claim 2 of United States patent No. 1,012,433,, issued December 19, 1911, to appellee, Edward Prendergast, for a “truncated box for street valves, fire plugs, meters, and the like,” and which held further that appellant city had infringed said claim. The infringement was and is conceded, if the claim is valid. The claim reads as follows:

“The herein described truncated box for street valves, fire plugs, meters and the like, comprising a base section formed of four plates of reinforced concrete of similar shapes and dimensions, the ends of each plate being tapering and eaeh plate being provided on its inside face with a shoulder disposed transversely of the plate and substantially parallel with the end of the plate and set back a distance substantially equal-to the thickness of the plate for supporting the end of the adjacent plate, and á top section formed of four plates of reinforced concrete, said plates being of similar shapes and dimensions and each plate of the top section being provided adjacent one of its ends with a transversely disposed shoulder running substantially parallel with the ends of the plate and set back from the end at a distance about equal.to the thickness of the plate, for supporting the end of the adjacent plate.”

The elements of the claim, broadly speaking, are (1)- a base section of a truncated box; (2) atop section of the same; (3) the positioning of the top section on the base section. The elements of each section are four plates: (a) Of reinforced concrete; (b) of similar shape and dimensions; (c) having tapering ends; (d) having a shoulder for supporting the end of the adjacent plate (1) located on the inside face of the plate; (2)' disposed transversely of the plate; (3) substantially parallel with the end of the plate; (4) set back from -the end of the plate at a distance substantially equal to the thickness of the plate.

The defenses set up are numerous, among them: (1) Anticipation by certain specified structures, and by 18 prior patents; (2) lack of invention in view of the prior art; (3) prior public uses; (4) dedication to the public of the claimed subject-matter; (5) laches.

In the view we take of the case, it will be necessary for us to discuss only the second of the above defenses. The prior art disclosed many boxlike structures of various shapes, made of various materials, and used for various purposes. Many of these structures were covered by patents. Among others may be mentioned; Ober, No. 9510, reissued December 21, 1880, frustum in shape, for water main taps; Meiners, No. 33,787, December 25, 1900, truncated, stop valve box; Walsh. No. 114,996, May 16, 1871, truncated, hydrant box; Eby, No. 160,088, February 23, 1875, truncated, transplanting box; Overall, No. 274,022, March 13, 1883; cistern constructed of conical, truncated section; James, No. 964,784, July 19, 1910, truncated, meter box.

Prior to the issuance of the patent in suit, appellee had secured three other Unit ed.States patents — No. 945,596, January 4, 1910; No-. 945,59.7, January 4, 1910; No. 1,012,432, December 19, 1911 — each covering a truncated box for street valves, fire plugs, and the like. The first two of these patents, of course, became part of the prior art so far as the patent in suit was concerned. All three of these prior patents of appellee disclosed truncated boxes made up of a base section and a top section. Each section was made up of four plates having tapering ends. In two of the patents, Nos. 945,597 and 1,012,432, the plates forming the respective sections were interchangeable.

Three unpatented structures of the prior art which were disclosed by the evidence should be noted. The first is a wooden box in the shape of a truncated pyramid, used as a valve box. The ends of the planks are tapering. On the inside of eaeh of the four corners of the box is a post, to which the planks of two sides are nailed. Two opposite sides of the box have the planks longer by twice the thickness of the planks than the other two opposite sides, so that the two shorter sides are included between the two longer ones. The testimony seemed to indicate that the box was constructed by first nailing two comer posts to each of the two shorter sides and then nailing the longer sides to the posts. It is perfectly clear, however, that the box could be constructed by first nailing one comer post to eaeh of the four sides. The four sides would not be interchangeable, unless they were made of the same length, and unless the corner posts were nailed one to each of the sides and away from the edge of the sides by the distance of the thickness of a plank.

*190 The second prior unpatented structure consisted simply of two of the wooden boxes already described, placed one on top of the other. As they were both the same size, they, of course, did not form a unitary’truncated box, such as shown in the patent in suit. The third prior unpatented structure was a truncated valve box made of four concrete slabs mitered at the edges to form the four corners, and held together at these comers by twisting or tying the ends of the embedded re-inforcing wire. The four sides were interchangeable.

For the sake of clarity we give sketches:

Figure 1,- the box under the prior Pren-dergast patent, No. 945,597:

Figure 2, one of the interchangeable plates of the same box:

Figure 3, the unpatented wooden box of the prior art:

Figure 4, the unpatented concrete box of the prior art:

We also reproduce sketches:

Figure 5, the box disclosed by claim 2 of the patent in suit:

Figure 6, one of the plates going to make up one of the sections of the last-mentioned box:

*191 A comparison of these various prior art structures with the structure of the patent in suit, and a consideration of the evidence, makes it very apparent, in our judgment, that invention cannot be claimed for the truncated form of the box, nor for the placing of one-section upon another, nor for the making of the plates out of concrete, nor for making the four plates of each section interchangeable. All of these features were old in the art.

The only remaining feature is the use of plates, each having a shoulder on its inner face and positioned as specified in the claim of the patent. It is to be noted that neither the shoulder itself nor the plate with the shoulder attached was claimed by the patentee as patentable. Therefore both are conclusively presumed to be old or not patentable. Johnson, etc., Co. v. Noser, etc., Co., 9 F.(2d) 265 (C. C. A. 8); Automatic, etc., Co. v. McNiece, etc., Co., 20 F.(2d) 578 (C. C. A. 8); Richards v. Chase Elevator Co., 159 U. S. 477, 486, 16 S. Ct. 53, 40 L. Ed. 225; Hay v. Heath Cycle Co. (C. C. A.) 71 F. 411, 413; Campbell v. H. T. Conde Imp. Co. (C. C.) 74 F. 745. As a matter of fact, shoulders and shoulders on concrete plates were both old and well known in the prior art. The use of the shoulder in the patent in suit was to support the end of the adjacent plate. The same use is common in the prior art. Examples are to be found in the disclosures of many patents, among others: Spencer, No. 534,232, February 12, 1895, burial vault; McGraw, No.

Free access — add to your briefcase to read the full text and ask questions with AI

Related

Cite This Page — Counsel Stack

Bluebook (online)
29 F.2d 188, 1928 U.S. App. LEXIS 2644, Counsel Stack Legal Research, https://law.counselstack.com/opinion/city-of-st-louis-v-prendergast-ca8-1928.