Turbine ventilator
Description
FIG. 1 is a front perspective view of a turbine ventilator showing my new design;
FIG. 2 is a rear perspective view thereof;
FIG. 3 is an elevational view taken from one side thereof the opposite side being the same as the side shown;
FIG. 4 is a bottom plan view thereof; and
FIG. 5 is a top plan view thereof.
The fragmentary broken line representation of roof in FIG. 3 is for purposes of illustration only.
Referenced Cited
U.S. Patent Documents
D83411 | February 1931 | McCluney et al. |
2797632 | July 1957 | Hook |
2856838 | October 1958 | Maek |
3267833 | August 1966 | Artis et al. |
3392659 | July 1968 | Rousey |
3460855 | August 1969 | Belden |
3523500 | August 1970 | Artis et al. |
3590720 | July 1971 | Siegal |
Patent History
Patent number: D247509
Type: Grant
Filed: Aug 16, 1976
Date of Patent: Mar 14, 1978
Inventor: Donald L. Rousey (Des Plaines, IL)
Primary Examiner: James R. Largen
Attorney: Donald R. Bahr
Application Number: 5/714,530
Type: Grant
Filed: Aug 16, 1976
Date of Patent: Mar 14, 1978
Inventor: Donald L. Rousey (Des Plaines, IL)
Primary Examiner: James R. Largen
Attorney: Donald R. Bahr
Application Number: 5/714,530
Classifications
Current U.S. Class:
D23/153
International Classification: D2304;
International Classification: D2304;