Diamond file
Takeda , et al. September 11, 1
U.S. patent number D310,473 [Application Number 07/103,973] was granted by the patent office on 1990-09-11 for diamond file. This patent grant is currently assigned to Ryoki Ltd.. Invention is credited to Yutaka Kanamaru, Yasuharu Takeda.
| United States Patent | D310,473 |
| Takeda , et al. | September 11, 1990 |
Diamond file
Claims
The ornamental design for a diamond file, as shown.
| Inventors: | Takeda; Yasuharu (Tokyo, JP), Kanamaru; Yutaka (Tokyo, JP) |
|---|---|
| Assignee: | Ryoki Ltd. (Hiroshima,
JP) |
| Appl. No.: | 07/103,973 |
| Filed: | October 2, 1987 |
| Current U.S. Class: | D8/90; D28/59 |
| Field of Search: | ;D8/14,90-94,45 ;D28/57,59 ;51/211H,25WG,214,26R,391,392,370,371,364,365 ;76/82,83,85 ;29/78,79,80 |
References Cited [Referenced By]
U.S. Patent Documents
| D60007 | December 1921 | Baldwin |
| D242896 | January 1977 | Poliquin |
| 1466391 | August 1923 | Eskew et al. |
| 1631212 | June 1927 | King |
| 4683898 | August 1987 | Lojovich |
Assistant Examiner: Heflin; Clare E.
Attorney, Agent or Firm: Sughrue, Mion, Zinn, Macpeak & Seas
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.
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