GRAHAM, Presiding Judge.
This is an application for a patent in the United States Patent Office. Claims 19, 20, 21, and 22 of the application were denied by the Primary Examiner and, on appeal, by the Board of Appeals, and this appeal has followed.
The application concerns certain claimed new and useful improvements in zigzag coolers or heat exchangers. The claims were denied on reference to British patents to Lightfoot, 13,089, of 1885, and Douglas, 26,788...
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.