USD166299S - Ceiling ventilator for heating and air conditioning - Google Patents
Ceiling ventilator for heating and air conditioning Download PDFInfo
- Publication number
- USD166299S USD166299S US D166299 S USD166299 S US D166299S
- Authority
- US
- United States
- Prior art keywords
- heating
- air conditioning
- ceiling ventilator
- ventilator
- ceiling
- Prior art date
Links
- 238000004378 air conditioning Methods 0.000 title description 8
- 238000010438 heat treatment Methods 0.000 title description 8
- 229920003245 polyoctenamer Polymers 0.000 description 2
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Description
April 1, 1952 J. R. CORBETT Des. 166,299
CEILING VENTILATOR FOR HEATING AND AIR CONDITIONING Filed Aug. 7, 1951 IN VEN TOR.
1/ By 7w AT TORNEYS.
Patented Apr. 1, 1952 UNITED Des. 1 6 6399 STATES PATENT OFFICE CEILING VENTILATOR FOR HEATING AND AIR CONDITIONING Joseph R. Corbett, Cincinnati, Ohio, assignor to Nu Tone, Inc., Cincinnati, Ohio, a corporation of New York Application August 7, 1951, Serial No. 16,194
Term of patent14 years (Cl. D62-4) I claim:
The ornamental design for a ceiling ventilator for heating and air conditioning, substantially as shown.
JOSEPH R. CORBETT.
REFERENQES CITED The following references are of record in the file of this patent:
UNITED STATES PATENTS Number Name Date D. 157,659 Chapman Mar. 14, 1950 2,369,119 Dauphinee Feb. 13, 1945
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