Vortex blower
Yoshidomi , et al. June 23, 1
U.S. patent number D327,316 [Application Number 07/687,535] was granted by the patent office on 1992-06-23 for vortex blower. This patent grant is currently assigned to Hitachi, Ltd.. Invention is credited to Takeshi Abe, Yukio Chihara, Masayuki Fujio, Kengo Hasegawa, Eiichi Ito, Kazuo Kobayashi, Toshiharu Yoshidomi.
| United States Patent | D327,316 |
| Yoshidomi , et al. | June 23, 1992 |
Vortex blower
Claims
The ornamental design for a vortex blower, as shown.
| Inventors: | Yoshidomi; Toshiharu (Funabashi, JP), Abe; Takeshi (Tokyo, JP), Ito; Eiichi (Narashino, JP), Fujio; Masayuki (Sakura, JP), Kobayashi; Kazuo (Chiba, JP), Hasegawa; Kengo (Sakura, JP), Chihara; Yukio (Chiba, JP) |
|---|---|
| Assignee: | Hitachi, Ltd. (Tokyo,
JP) |
| Appl. No.: | 07/687,535 |
| Filed: | April 19, 1991 |
Foreign Application Priority Data
| Oct 19, 1990 [JP] | 2-34860 | |||
| Current U.S. Class: | D23/383 |
| Field of Search: | ;D23/383,370 ;415/206 |
References Cited [Referenced By]
U.S. Patent Documents
| 3511578 | May 1970 | Horst |
Other References
|
American Fan Co. Catalog, p. 3, Blowers A and B, top left and right side of page, p. 5, Blower C, lower left side of page. . Blower C, lower left side of page. . New York Blower Co. catalog, Blower I, lower middle of page.. |
Primary Examiner: Burke; Wallace R.
Assistant Examiner: Lichtenstein; Lisa
Attorney, Agent or Firm: Antonelli, Terry, Stout & Kraus
Description
FIG. 1 is a front, top and right side perspective view of a vortex blower showing our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a right side elevational view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a rear elevational view thereof; and,
FIG. 7 is a bottom plan view thereof.
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