Impression coping for use in oral implantology

- Aktiebolaget Astra
Description

FIG. 1 is a top, side perspective view of an impression coping for use in oral implantology;

FIG. 2 is a bottom, opposite side, perspective view of the design of FIG. 1;

FIG. 3 is a top plan view of the design of FIG. 1;

FIG. 4 is a side elevational view of the design of FIG. 1, the opposite of which is identical; and,

FIG. 5 is a bottom plan view of the design of FIG. 1.

Referenced Cited
U.S. Patent Documents
D290508 June 23, 1987 Weissman
D325085 March 31, 1992 Br.ang.nemark et al.
D342314 December 14, 1993 Miller
3562911 February 1971 Walter et al.
5061181 October 29, 1991 Niznick
5334024 August 2, 1994 Niznick
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: D370978
Type: Grant
Filed: Apr 28, 1993
Date of Patent: Jun 18, 1996
Assignee: Aktiebolaget Astra (Sodertalje)
Inventors: Leif Broberg (Goteborg), Anders Holmen (Hovas)
Primary Examiner: M. H. Tung
Law Firm: White & Case
Application Number: 0/7,638
Classifications
Current U.S. Class: Dental (34) (D24/156)