Cordless electric drill
Latest Hitachi Koki Co., Ltd. Patents:
Description
FIG. 1 is a front, top and right side perspective view of a cordless electric drill showing our new design.
FIG. 2 is a right side elevational view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a front elevational view thereof;
FIG. 7 is a rear elevational view thereof.
Referenced Cited
U.S. Patent Documents
Other references
2636136 | April 1953 | Gubbins |
- W. Bell & Co. 1985 catalog, p. 413, item #2, Black & Decker Cordless Drill. Hardware Age, Oct. 1986, p. 124, Hitachi Power Tools' Cordless Drill. D.I. Y. Retailing, Feb. 1988, p. 113, WEN 3/8" Cordless Drill. D.I.Y. Retailing, Aug. 1988, p. 120, Skil Cordless Drill.
Patent History
Patent number: D300717
Type: Grant
Filed: Feb 24, 1987
Date of Patent: Apr 18, 1989
Assignee: Hitachi Koki Co., Ltd. (Tokyo)
Inventors: Hideaki Hasegawa (Ibaragi), Yoshihiro Yamada (Ibaragi)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Clare E. Heflin
Law Firm: Sughrue, Mion, Zinn, Macpeak & Seas
Application Number: 7/18,125
Type: Grant
Filed: Feb 24, 1987
Date of Patent: Apr 18, 1989
Assignee: Hitachi Koki Co., Ltd. (Tokyo)
Inventors: Hideaki Hasegawa (Ibaragi), Yoshihiro Yamada (Ibaragi)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Clare E. Heflin
Law Firm: Sughrue, Mion, Zinn, Macpeak & Seas
Application Number: 7/18,125
Classifications
Current U.S. Class:
D 8/68