De Ferranti v. Harmatta
District Court, District of Columbia
Appeal from a Decision of the Commissioner of Patents. Interference proceeding between Sebastian Z. De Ferranti and Johann Harmatta. From a decision for the latter, the former appeals.
1Opinion of the Court
VAN ORSDEL, Associate Justice.
This appeal is from the decision of the Commissioner of Patents, awarding priority of invention to appellee Harmatta. The interference involves the application of De Ferranti, filed December 29, 1911, which, was divisional of his earlier application of May 14, 1904, and the application of Harmatta, filed December 3, 1903, which eventuated into a patent December 3, 1912.
The invention relates to what is known as “spot welding.” This is accomplished by passing an electric current through the parts joined in such manner as to confine it to a small spot, thus making a…
2Cited by5 opinions
- General Motors Corp. v. Bendix Aviation Corp.District Court, N.D. Indiana · 1954
- Leonard v. EverettCourt of Appeals for the D.C. Circuit · 1922
- Phelan v. GreenCourt of Customs and Patent Appeals · 1934
- American Laundry Machinery Co. v. Prosperity Co.District Court, N.D. New York · 1923
- Splitdorf Electrical Co. v. Webster Electric Co.Court of Appeals for the Seventh Circuit · 1921