Chessin v. Klahn
Court of Appeals for the D.C. Circuit
Appeals from the Commissioner of Patents. Two interference proceedings between Alexander S. Chessin and Emil Klahn. From decisions of the Patent Office, awarding priority in each proceeding to Klahn, Chessin appeals.
1Opinion of the Court
SMYTH, Chief Justice.
These are appeals from decisions in two interferences between the same parties, wherein priority was awarded to Klahn. The inventions relate to improvements in gyro compasses, and are expressed in 17 counts, one in one interference and 16 in the other, which may be reduced to a single issue, stated thus :
Means for transmitting the effect of tbe earth’s rotation to a gyroscope freely suspended at its center of mass.
The gyro compass consists of suitable mechanism for supporting a. spinning gyrostat, whereby the axis of rotation of the gyrostat, when placed in the meridian,…
2Cases cited3 opinions
- Reid v. KitselmanCourt of Appeals for the D.C. Circuit · 1920
- Blaine v. WhiteDistrict Court, District of Columbia · 1920
- Grus v. EynonDistrict Court, District of Columbia · 1920
3Cited by1 opinion
- Leonard v. EverettCourt of Appeals for the D.C. Circuit · 1922