Grier v. Castle

The decision of this case turns upon the construction which may be given to the complainant’s patent. If the scope of its claims is restricted by descriptive limitations, which the respondent’s counsel contends1 are imposed upon it, the respondent is not an infringer. If it is susceptible of a construction, however, which will give full effect and protection to the distinctly stated principle of the invention, and the results of its operation as described in the specification, the complainant is entitled to a decree.

The invention described in the patent is an “improvement in vehicle *524running…