BASTIAN, Judge.
This is a proceeding brought under 35 U.S.C.A. § 63, R.S. § 4915, for a patent for a process and device for destructive distillation. The application for patent bears Serial No. 648,796.
Claims 23 to 27 inclusive of the application were finally rejected by the Patent Office and this action followed. Claim 23 is typical and is as follows:
Let's get started

Welcome to the leading source of independent legal reporting
Sign on now to see your case.
Or view more than 10 million decisions and orders.
- Updated daily.
- Uncompromising quality.
- Complete, Accurate, Current.