Diamond file
Description
FIG. 1 is a top perspective view of a diamond file showing our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a front elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a rear elevational view thereof; and
FIG. 7 is a left side elevational view thereof.
Referenced Cited
Patent History
Patent number: D310473
Type: Grant
Filed: Oct 2, 1987
Date of Patent: Sep 11, 1990
Assignee: Ryoki Ltd. (Hiroshima)
Inventors: Yasuharu Takeda (Tokyo), Yutaka Kanamaru (Tokyo)
Primary Examiner: Bruce W. Dunkins
Assistant Examiner: Clare E. Heflin
Law Firm: Sughrue, Mion, Zinn, Macpeak & Seas
Application Number: 7/103,973
Type: Grant
Filed: Oct 2, 1987
Date of Patent: Sep 11, 1990
Assignee: Ryoki Ltd. (Hiroshima)
Inventors: Yasuharu Takeda (Tokyo), Yutaka Kanamaru (Tokyo)
Primary Examiner: Bruce W. Dunkins
Assistant Examiner: Clare E. Heflin
Law Firm: Sughrue, Mion, Zinn, Macpeak & Seas
Application Number: 7/103,973
Classifications
Current U.S. Class:
D 8/90;
File, Abrasive Holder Or Polisher (D28/59)