Legal Opinion

Graham v. Gammon

U.S. Circuit Court for the Northern District of Illnois

Decided July 10, 1877PublishedCited by 2 opinions

Ttiis is a bill in equity to restrain the alleged violations of a patent [No. 74,342] issued by the United States government to Alvaro B. Graham, dated February 11th, 1S6S, for an improvement in harvesters.

Read the full summary

Ttiis is a bill in equity to restrain the alleged violations of a patent [No. 74,342] issued by the United States government to Alvaro B. Graham, dated February 11th, 1S6S, for an improvement in harvesters. The title of tiie complainant [Hugh Graham] to the patent is not disputed, and the proof shows that complainant is the assignee of the patentee; but the defendants [Elijah J. Gammon and others] deny, first, the novelty of Graham’s device; and secondly, that they infringed the patent.

1Opinion of the Court

BLODGETT, District Judge.

This patent contains eleven distinct claims, but the controversy in this case is confined to the first two claims.

The feature of the machine covered by the two claims in controversy, is the device for rocking or rolling the sickle bar — or “finger beam,” as it is called by the patentee. This finger beam is so arranged that it may be rocked or tipped upward or downward so as to incline the teeth or fingers up or down, so that it may be passed over a stone or down into a hollow.

This is accomplished by joining the sickle bar, or “finger beam,” as it is called, to .what…

2Cited by2 opinions

  1. Graham v. Geneva Lake Crawford Manuf'g Co.District Court, E.D. Wisconsin · 1880
  2. Graham v. Plano Manuf'g Co.United States Circuit Court · 1888

Showing a preview — retrieve the full document via the Exa API.

Powered by the Exa API