Depth gauge for use in oral implantology

- Astra Aktiebolag
Description

FIG. 1 is a side perspective view of a depth gauge for use in oral implantology.

FIG. 2 is an opposite side perspective view of the design of FIG. 1.

FIG. 3 is a front elevational view of the design of FIG. 1.

FIG. 4 is a rear elevational view of the design of FIG. 1.

FIG. 5 is a top view of the design of FIG. 1.

FIG. 6 is a bottom view of the design of FIG. 1.

Referenced Cited
U.S. Patent Documents
D216796 March 1970 Weissman
D243123 January 18, 1977 Shen et al.
D258911 April 14, 1981 Sandel
D346752 May 10, 1994 Krusling et al.
3878611 April 1975 Seaman
4047303 September 13, 1977 Ziofsky et al.
4568282 February 4, 1986 Bogdanoff
4571180 February 18, 1986 Kulick
4571181 February 18, 1986 Berger
Other references
  • "Astra Implant System Components and Instruments", Oct. 1990. "Astra Tech Implant Dental System Components and Instruments", Jun. 1992. "Astra Tech Implant Dental System", Feb. 1992.
Patent History
Patent number: D372094
Type: Grant
Filed: Apr 28, 1993
Date of Patent: Jul 23, 1996
Assignee: Astra Aktiebolag (Sodertalje)
Inventors: Nils G. Bergstrom (Vagnharad), Leif Broberg (Goteborg), Anders Holmen (Hovas)
Primary Examiner: M. H. Tung
Law Firm: White & Case
Application Number: 0/7,637
Classifications