Electric plane
Latest Hitachi Koki Haramachi Co., Ltd. Patents:
Description
FIG. 1 is a top, front and left side perspective view of an electric plane showing our new design;
FIG. 2 is a front elevational view;
FIG. 3 is a rear elevational view;
FIG. 4 is a left side elevational view;
FIG. 5 is a right side elevational view;
FIG. 6 is a top plan view; and,
FIG. 7 is a bottom plan view thereof.
Referenced Cited
U.S. Patent Documents
Other references
D266766 | November 2, 1982 | Lawson |
D285083 | August 12, 1986 | Miyamoto |
D311192 | October 9, 1990 | Juang |
2792036 | May 1957 | Buttke |
2873776 | February 1959 | Buttke |
- Hitachi Koki Co., Ltd. catalog illustrating a series of electric planes under product designations P100FF through PF60F published Jul. 1989.
Patent History
Patent number: D328080
Type: Grant
Filed: Sep 6, 1990
Date of Patent: Jul 21, 1992
Assignee: Hitachi Koki Haramachi Co., Ltd. (Fukushima)
Inventors: Eisaku Oka (Fukushima), Hiromi Ozawa (Fukushima), Yoshio Matsumoto (Fukushima), Yoshimasa Hayama (Fukushima)
Primary Examiner: Donald P. Walsh
Assistant Examiner: Antoine D. Davis
Law Firm: Sughrue, Mion, Zinn, Macpeak & Seas
Application Number: 7/578,718
Type: Grant
Filed: Sep 6, 1990
Date of Patent: Jul 21, 1992
Assignee: Hitachi Koki Haramachi Co., Ltd. (Fukushima)
Inventors: Eisaku Oka (Fukushima), Hiromi Ozawa (Fukushima), Yoshio Matsumoto (Fukushima), Yoshimasa Hayama (Fukushima)
Primary Examiner: Donald P. Walsh
Assistant Examiner: Antoine D. Davis
Law Firm: Sughrue, Mion, Zinn, Macpeak & Seas
Application Number: 7/578,718
Classifications
Current U.S. Class:
Cutting (6) (D15/127)