Legal Opinion
Rogers v. Aikman
Court of Appeals for the D.C. Circuit
Decided January 3, 1922No. 1454PublishedCited by 3 opinions
Appeal from the Commissioner of Patents. Interference proceedings between Homer S. Rogers, inventor, John K. Bali, assignee, junior applicant, and Burton S. Aikman, senior applicant. From a decision of the Commissioner of Patents, awarding priority to Aikman, Rogers and Ball appeal.
1Opinion of the Court
VAN OKS! >EE, Associate Justice.
This interference relates to an invention of a pneumatic pump, defined in a single count, as follows:
“In a pneumatic pump, the combination with a pump chamber, provided with water inlet and outlet valves and an air exhaust port, of an air exhaust valve adapted to close the exhaust port when water has filled the pump chamber and adapted to be retained closed by the difference between the pressures in the pump chamber and outside thereof, a compressed air valve, a finid actuated motor for opening the exhaust valve, and means for causing the motor to open the…
2Cited by3 opinions
- Forward Process Co. v. CoeCourt of Appeals for the D.C. Circuit · 1940
- Power Patents Co. v. CoeCourt of Appeals for the D.C. Circuit · 1940
- Prescott v. SwainCourt of Appeals for the D.C. Circuit · 1927