U.S. patent number D307,472 [Application Number 07/112,141] was granted by the patent office on 1990-04-24 for drill-mountable tool for the installation and removal of threaded dental prosthetic elements.
This patent grant is currently assigned to Astra Meditec Aktiebolog. Invention is credited to Per O. Soderberg.
United States Patent |
D307,472 |
Soderberg |
April 24, 1990 |
Drill-mountable tool for the installation and removal of threaded
dental prosthetic elements
Claims
The ornamental design for a drill-mountable tool for the
installation and removal of threaded dental prosthetic elements,
substantially as shown and described.
Inventors: |
Soderberg; Per O. (Stockholm,
SE) |
Assignee: |
Astra Meditec Aktiebolog
(Molndal, SE)
|
Appl.
No.: |
07/112,141 |
Filed: |
October 21, 1987 |
Foreign Application Priority Data
Current U.S.
Class: |
D24/146 |
Field of
Search: |
;D24/10,16
;433/167,74-75,165,201.1 |
References Cited
[Referenced By]
U.S. Patent Documents
Other References
S S. White Dental Mfg. Co. Catalogue, (1899), p. 97, Appliances for
Mounting Tooth Crowns, #5 Drill Chuck..
|
Primary Examiner: Burke; Wallace R.
Assistant Examiner: Vinson; Brian N.
Attorney, Agent or Firm: White & Case
Description
FIG. 1 is a top and front perspective view of a drill-mountable
tool for the installation and removal of threaded dental prosthetic
elements showing my new design;
FIG. 2 is a bottom and rear perspective view thereof; and
FIG. 3 is a bottom and side perspective view thereof, the opposite
side being a mirror image of that shown.
* * * * *