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Legal Opinion

Levy v. Ladd

District Court, District of Columbia

Decided March 6, 1964No. Civ. A. No. 2931-62Published

1Opinion of the Court

JACKSON, District Judge.

This action was brought under 35 U.S. C. § 145 seeking a judgment authorizing the defendant, Commissioner of Patents, to grant a patent on claims 22 to 24, of an application entitled “Method of Sorting Letter Mail”, Serial No. 421,644, filed April 7, 1954, by Maurice M. Levy, and assigned to Her Majesty the Queen in the Right of Canada, as represented by the Postmaster General.

The invention described in the application relates to a method and apparatus for automatically sorting letter mail, and more particularly, to a method and apparatus which permits the automatic…

2Cases cited8 opinions

  1. Esso Standard Oil Company v. Sun Oil CompanyCourt of Appeals for the D.C. Circuit · 1956
  2. Zenith Radio Corporation v. David L. Ladd, Commissioner of PatentsCourt of Appeals for the D.C. Circuit · 1962
  3. Johns-Manville Corporation v. David L. Ladd, Commissioner of PatentsCourt of Appeals for the D.C. Circuit · 1964
  4. Application of Charles J. HirschCourt of Customs and Patent Appeals · 1962
  5. Wilcox v. CoeDistrict Court, District of Columbia · 1940

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