Dental root-canal broach
Leonard December 12, 1
U.S. patent number D250,544 [Application Number 05/756,606] was granted by the patent office on 1978-12-12 for dental root-canal broach. This patent grant is currently assigned to Micro-Mega S.A.. Invention is credited to Henri Leonard.
| United States Patent | D250,544 |
| Leonard | December 12, 1978 |
Dental root-canal broach
Claims
The ornamental design for a dental root-canal broach, substantially as shown and described.
| Inventors: | Leonard; Henri (Besancon, FR) |
|---|---|
| Assignee: | Micro-Mega S.A. (N/A) |
| Appl. No.: | 05/756,606 |
| Filed: | January 4, 1977 |
Foreign Application Priority Data
| Jul 9, 1976 [FR] | 76 1117 | |||
| Current U.S. Class: | D24/147 |
| Current International Class: | D2402 |
| Field of Search: | ;32/57,58,4R ;D24/10,12,16 ;128/221 |
References Cited [Referenced By]
U.S. Patent Documents
| 3330040 | July 1967 | Kahn |
| 3388473 | June 1968 | Loran |
| 3578745 | May 1971 | Garnier |
| 4044468 | August 1977 | Kahn |
Attorney, Agent or Firm: Burns; Robert E.
Description
FIG. 1 is an elevational view of a dental root-canal broach showing my new design;
FIG. 2 is a top plan view thereof; and
FIG. 3 is a bottom plan view thereof.
All elevational views of the new handle, not shown in the drawing, are similar to the view shown in FIG. 1 with two circumferential rows of knurls, and with a dome-shaped head.
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