Preston v. White

97 F.2d 160, 25 C.C.P.A. 1219, 1938 CCPA LEXIS 119
CourtCourt of Customs and Patent Appeals
DecidedJune 6, 1938
DocketNo. 3960
StatusPublished
Cited by4 cases

This text of 97 F.2d 160 (Preston v. White) is published on Counsel Stack Legal Research, covering Court of Customs and Patent Appeals primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook
Preston v. White, 97 F.2d 160, 25 C.C.P.A. 1219, 1938 CCPA LEXIS 119 (ccpa 1938).

Opinion

Hatfield, Judge,

delivered the opinion of the court:

This is an appeal in an interference proceeding from the decision of the Board of Appeals of the United States Patent Office reversing the decision of the Examiner of Interferences, and awarding priority of invention of the subject matter defined in the counts in issue — Nos. 1 to 8, inclusive — to John W. White, appellee.

The invention relates to a hydraulic brake system for vehicles in combination with a hydraulically actuated stop light electric switch. The combination is sufficiently - described in the counts in issue, of which count 1 is illustrative. It reads:

1. In combination, a hydraulic brake system that includes a master control container, means for forcibly contracting at will the control container, liquid operated brakes, piping leading from the interior of said master control container to said brakes, and an incompressible liquid within and filling the master control container and the pipes leading therefrom to the brakes; an electric system that includes a source of current supply, a signal and an electric switch having a movable contact member controlled as to switch opening and closing movements by a positionable member of a switch control container; and said switch control container that provides said positionable member for controlling the switch opening and closing movements of the movable contact according to pressure conditions of the incompressible liquid within the switch control container; said switch control container being in direct communication with the liquid containing space of the hydraulic brake system whereby upon force being applied in a manner to effect a contracting of the master control container there simultaneously results an increase in the pressure of the liquid and which increase of pressure is exerted against [1220]*1220the movable member of the switch control container as well as against the brake parts that are under the direct influence of the incompressible liquid in the hydraulic brake system.

The interference is between appellants’ patent No. 1,946,759, issued February 13,1934, on an application, No. 364,266, filed May 18, 1929, and appellee’s application No. 718,863, filed April 3,1934. Appellee’s application is a division of his application No. 317,933, filed November 8, 1928.

Appellants are the junior parties and the burden was upon them to establish priority of invention by a preponderance of the evidence.

It appears from the clecison of the Examiner of Interferences that appellee’s prior application, No. 102,701, filed April 17, 1926, which matured into patent No. 1,744,940 January 28, 1930, also disclosed the involved invention.

However, counsel for appellee states in this court that, in view of the issues here presented, it is of no consequence whether appellee be granted the date of the filing of his first application (April 17, 1926) or the date of the filing of his application No. 317,933 (November 8, 1928), of which his involved application is a division, for conception and reduction to practice.

Appellee submitted no evidence, and is, therefore, restricted to the filing date of one of those applications for both conception and reduction to practice.

Appellants filed an application — No. 94,105 — March 12, 1926, containing a claim for a hydraulic brake system in combination with a hydraulically actuated stop light electric switch, and also claims; for the electric switch per se. Division between the claims for the electric switch fer se and the claim for the combination was required by the Primary Examiner, and, on March 24, 1927, appellants canceled the combination claim, and elected to prosecute in that application claims to the electric switch per se.

Due to the failure of appellants to respond timely to a Patent Office action, that application became an “abandoned application”' on February 20, 1928, at which time appellants’ application contained no claims to the invention here in issue.

Appellants’ involved application also contained claims for the-combination of a hydraulic brake system and the electric switch, and. claims for the electric switch per se. Division was required by the' Primary Examiner on December 6, 1929. (Shortly thereafter, on January 28, 1930, appellee’s patent No. 1,744,940 was issued on application No. 102,701, filed April 17, 1926. The claims in that patent are for a hydraulic electric switch per se.) In response to the requirement of division, appellants elected to claim in the involred ap[1221]*1221■plication a hydraulic brake system in coinbmation with their hydraulic electric switch, and a patent, the one here involved, was issued to them containing claims for the combination only.

We have briefly related the history of events preceding the declaration of the interference so that the evidence introduced by appellants may be clearly understood and properly applied to the issues in the •case.

Counsel for appellants contend that appellants conceived the invention and successfully reduced it to practice during the period from August 31, 1924 to September 3 of that year; that they filed an application fully disclosing and claiming the invention on March 12, 1926; that, although that application was abandoned, appellants never abandoned the invention nor ceased in their efforts to secure patent protection therefor; that their original application was not abandoned through negligence on their part, but merely through inadvertence; that, due to financial difficulties, they were unable to file a new application for the invention prior to the time of the filing of the one here involved; that, if the court should hold that appellants failed to reduce the invention to practice in 1924, the record clearly establishes that they were diligent in an effort to reduce it to practice since immediately prior to the time appellee entered the field; and that, therefore, appellants are entitled to an award of priority.

As hereinbefore noted, the tribunals of the Patent Office disagreed as to the proper conclusion to be reached from the evidence in the case; the Examiner of Interferences holding that appellants had successfully reduced the invention to practice in 1924, and that, therefore, the question of diligence was not in the case. The Board of Appeals was of opinion that the evidence was insufficient to establish a successful reduction of the invention to practice in 1924; that appellants had failed to establish diligence in reducing the invention to practice subsequent to the abandonment of their original application ; that such abandonment was not through inadvertence, but was due to their negligence; and that no attempt was made to have that application revived, which might have been done.

In its decision denying appellants’ petition for rehearing, the Board of Appeals called attention to the fact that appellants, with nominal expenses, could either have made a response to the examiner’s action so as to have prevented their original application becoming abandoned, or, subsequent to such abandonment, could have filed a petition for the revival of that application. The board further stated that “Inasmuch as White has a date of November 8, 1928, at least, and has been conceded by Preston et al. to have a date of April 17, 1926, it is obvious that White must prevail, since the party Preston [1222]*1222et al., clue to their lack of diligence are not entitled to a date earlier than May 18, 1929.”

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Bluebook (online)
97 F.2d 160, 25 C.C.P.A. 1219, 1938 CCPA LEXIS 119, Counsel Stack Legal Research, https://law.counselstack.com/opinion/preston-v-white-ccpa-1938.