|Publication number||USD32135 S|
|Publication date||Jan 23, 1900|
|Filing date||Dec 26, 1899|
|Publication number||US D32135 S, US D32135S, US-S-D32135, USD32135 S, USD32135S|
|Inventors||George H. Dippo|
|Export Citation||BiBTeX, EndNote, RefMan|
|External Links: USPTO, USPTO Assignment, Espacenet|
D ES l G N.
Patented l G. H. DI'PPO .& W. M. POWELL.
HOT AIR REGISTER.
(Application filed Dec. 26. 1899.)
an. 23, I900.
I'IE--I- Q AOQHQ TI El-JI- UNITED STATES PATENT OFFICE.
GEORGE H. DIPPO, OF OHAGRIN FALLS, AND WILLIAM M. POWELL, OE CLEVELAND, OHIO, ASSIGNORS TO THE FERROSTEEL COMPANY, OF
DESIGN FOR A HOT-AIR REGISTER.
SPECIFICATION forming part of Design No. 32,135, dated. January 2a, 1966.
Application filed December 26, 1899. Serial No. 741,683. Term of patent 14 years.
T0 all whom it may concern:
Be it known that we, GEORGE H. DIPPO, residing at Chagrin Falls, and WILLIAM M. POWELL, residing at Cleveland, in the county of Ouyahoga, State of Ohio, citizens of the United States, have invented and produced a new and original Design for Hot-Air Registers, of which the following is a specification, reference being had to the accompanying drawings, forming a part thereof, and in which Figure I represents a plan View, and Fig. II a cross-section, of our design.
As set forth in the drawings, the leading feature of our design consists of a series of webs a and a, disposed at right angles to each other and of trapezoidal cross-section, as shown in Fig. II. At each crossing-point the Webs diverge at opposite angles of forty-five degrees, forming two branches, and converge and GEO. I-I. DIPPO. WM. M. POWELL.
D. T. DAVIES, A. E. MERKEL,