McMillan v. Rees

In McMillan v. Barclay the patent upon which the present hill is founded was contested upon various grounds, all of which were fully considered hy the court, and a decree was rendered in favor of the complainant. No question is now made touching any of the specific defences set up in that case, but the patent is assailed for a reason not before.'suggested. It is urged that the patent, No. 63,-917, set up in this case, is a duplicate of patent 52,730, granted to the same persons and for the same invention.

On the twenty-third of July, 1855, the patent involved in this case was applied for, and…