Bostitch, Inc. v. PRECISION STAPLE CORPORATION
| Decision Date | 12 December 1949 |
| Docket Number | No. 55,Docket 21421.,55 |
| Citation | 178 F.2d 332 |
| Parties | BOSTITCH, Inc. v. PRECISION STAPLE CORPORATION et al. |
| Court | U.S. Court of Appeals — Second Circuit |
John P. Chandler, New York City, attorney for appellants.
George P. Dike, Boston, Mass., attorney for appellee; Dike, Calver & Porter, of Boston, Mass., and John W. Hoag and Hoag, Kilburn & Carlson, of New York City, on the brief.
Before L. HAND, Chief Judge and SWAN and CLARK, Circuit Judges.
This is a patent infringement suit based on two combination patents for improvements in manually operated stapler-fastening devices. The Goodstein patent, No. 2,309,763, was granted February 2, 1943 on an application filed August 16, 1938. Claims 1, 2, 9 and 10 are in suit. The Maynard patent, No. 2,264,322 is for improvements on Goodstein's invention. Although granted earlier, December 2, 1941, the application was filed later, December 12, 1938, than the Goodstein application. Claims 2, 11, 12, 13, 14, 18, 20 and 24 of the Maynard patent are in suit. Both patents are owned by the appellee.1 The district court found the claims in suit valid and infringed by the machine of the defendants.2 They have appealed from the interlocutory decree. They contend (1) that the patents present no "invention" over the prior art; (2) that they do not define the alleged improvements with sufficient clarity to comply with 35 U.S.C.A. § 33; (3) that one of the patents is invalid because of double patenting; (4) that all the claims are void as being drawn to an exhausted combination; and (5) that recovery should be denied to plaintiff because of false patent marking. In the view we take the first contention is decisive.
The patents in suit relate to hand-operated stapling machines for fastening together by means of U-shaped wire staples sheets of paper or other materials through which the staples may be driven. It is an old art crowded with patents. At the date of Goodstein's application, two types of machines were on the market. Most of them were of the plunger type, in which the staple is driven home by a plunger set in a housing at right angles to the base of the machines, and the "magazine," which carries the stick of staples, is loaded through its rear end.3 This construction produced a rather heavy and unwieldy machine. There was also a lever-type of machine which had no plunger and was loaded from the front. In both types the stick of staples rode on the "core" of the magazine and was pressed forward by means of a "pusher" and a spring toward the "throat," which guides the foremost staple when it is driven down into the paper or other material to be fastened. Front loading machines were not easy to load because the stick of staples had to be pushed in against the resistance of the pusher spring. In either type of machine, if a staple got jammed in the throat or in the magazine, there was difficulty in freeing it.
Goodstein's patent is for an improvement in the lever-type of machine. It has a base. a magazine for carrying the supply of staples, and a lever for driving the foremost staple home. The base is a flat strip of metal on the forward end of which is formed the conventional anvil for clinching the ends of the staple after it has passed through the materials to be fastened together. The magazine is of channel shape and is pivoted to the rear end of the base. At the front end of the magazine a throat is formed by bending inwardly the side walls and upwardly the bottom wall. The magazine has no core; the feet of the staples rest on the bottom wall and the staples are fed to the throat by means of a pusher and spring. The top wall of the magazine serves both as a cover of the magazine and as a driver of the staples. It is hinged to the rear ends of the magazine and base, and may be moved in one direction to open the magazine for loading and in the opposite direction to close the magazine and to drive the staple. The lever carries on its forward end a depending piece of metal which drives the staple through the throat and clinches it on the anvil of the base when the lever is pressed down to its full extent. The claims in suit are set forth in the margin.4
Goodstein's invention was purchased by the plaintiff and turned over to one of its engineers, Mr. Maynard, for development as a manufacturing proposition. He devised three mechanical improvements. He inserted a latch which limits the movement of the cover away from the magazine when the latch is in engagement but may be disengaged to swing the cover away for opening the magazine. Claim 2 is directed to this improvement.5 He provided a simple method of manually locking the pusherspring toward the rear of the magazine when it is opened for loading and automatically unlocking the spring when the cover is closed upon the magazine. Claims 11, 12, 13, 14 and 24 cover these features, claim 14 being typical.6 He also inserted a longitudinal rod to brace the shear plate, or upturned bottom-wall of the magazine, designed to strengthen the shear plate so as to permit the magazine to be made of thin, light metal. Claim 20 covers this feature.7
The machine made in accordance with the patents in suit is an inexpensive, small, compact, light weight device capable of being carried in pocket or handbag. The district judge found that "Its sales have outstripped in speed and volume the sales of earlier machines marketed by the plaintiff, indicating marked popular preference for it and a wide acceptance of it by the public." The number sold increased from 69,682 in the first year it was on the market, 1940, to 606,790 in 1947; for the same years the sales of the lever-type machine known as B-5, exhibit 6, which the plaintiff brought out in 1934, and is still selling, were 80,532 and 92,700. The machine of the patents in suit sells for $2.20 as against $6.95 for the B-5 machine; it has only 17 parts as against the latter's 30 parts.
Although the commercial success of the device is impressive, the Supreme Court has frequently warned, and again very recently, that commercial success can be considered only as a make-weight when the question of patentability is close. Jungersen v. Ostby & Barton Co., 335 U.S. 560, 567, 69 S.Ct. 269. With respect to the Maynard patent in suit the question of patentability is not close. We see nothing in the record to suggest that his improvements were beyond the range of a competent designer familiar with the art. The plaintiff's brief states that the plaintiff acquired Goodstein's invention in 1938. The exact date does not appear but it must have been prior to August 16 since Goodstein's application was prepared by the plaintiff's patent solicitor. Within four months after that application was filed, Maynard was able to file his own application for the claimed mechanical improvements. The latch, the lock, the brace were contrivances of a character long known in the art.8 We cannot believe that more than the skill of a craftsman familiar with the art was required to apply them in the way Maynard did to Goodstein's disclosure. The claims in suit of the Maynard patent are held invalid.
We entertain somewhat more doubt whether Goodstein's improvements on the B-5...
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