Boneplug drill bit
Description
FIG. 1 is a perspective view of a boneplug drill bit showing my new design;
FIG. 2 is a perspective view rotated 90.degree. from FIG. 1;
FIG. 3 is a perspective view showing the opposite side of FIG. 1;
FIG. 4 is a top perspective view; and
FIG. 5 is a bottom plan view.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
1123730 | January 1915 | Greenfield |
2525669 | October 1950 | Hainault |
166449 | November 1964 | SUX |
Patent History
Patent number: D285343
Type: Grant
Filed: Jul 29, 1983
Date of Patent: Aug 26, 1986
Assignee: Ulla Anette Duarte-Martins (Sundsvall)
Inventor: Herminio Duarte-Martins, Jr. (Sundsvall)
Primary Examiner: A. Hugo Word
Assistant Examiner: Stella M. Reid
Law Firm: Hammond & Littell, Weissenberger & Dippert
Application Number: 6/518,368
Type: Grant
Filed: Jul 29, 1983
Date of Patent: Aug 26, 1986
Assignee: Ulla Anette Duarte-Martins (Sundsvall)
Inventor: Herminio Duarte-Martins, Jr. (Sundsvall)
Primary Examiner: A. Hugo Word
Assistant Examiner: Stella M. Reid
Law Firm: Hammond & Littell, Weissenberger & Dippert
Application Number: 6/518,368
Classifications
Current U.S. Class:
D24/28