Summary

Samuel Blatchford Parker Whipple Company v. Yale Clock…

Power is unquestionably conferred upon the commissioner to allow the specification to be amended if the patent is inoperative or invalid, and in that event to issue the patent in proper form; and he may, doubtless, under that authority, allow the patentee to redescribe his invention, and to include in the description and claims of the patent, not only what was well described before, but whatever else was suggested or substantially indicated in the specification or drawings which properly belonged to the invention as actually made and perfected.
Source: Wikisource

Samuel Blatchford Parker Whipple Company v. Yale Clock…

So particular is the law on this subject that it is declared that 'no new matter shall be introduced into the specification.' This prohibition is general, relating to all patents; and by 'new matter' we suppose to be meant new substantive matter, such as would have the effect of changing the invention, or of introducing what might be the subject of another application for a patent. The danger to be provided against was the temptation to amend a patent so as to cover improvements which might have come into use, or might have been invented by others, after its issue.
Source: Wikisource

Samuel Blatchford Parker Whipple Company v. Yale Clock…

The improvement in a clock-train, consisting of three wheels having the same number of teeth and the same diameters, suitably fastened on arbors, the pivots of which are arranged in the circumferences of circles concentric with the center arbor, the several arbors carrying pinions having the same number of leaves and the same diameters, all the said parts arranged between the escape wheel and its arbor carrying a pinion, and the center arbor carrying the center wheel and center pinion, as set forth.
Source: Wikisource

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