Dental handpiece
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Description
FIG. 1 is a bottom plan view of a dental handpiece showing our new design;
FIG. 2 is a left side elevational view thereof;
FIG. 3 is a right side elevational view thereof;
FIG. 4 is a top plan view thereof; and
FIG. 5 is a front end elevational view thereof, the rear being plain and unornamented;
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
| D255929 | July 15, 1980 | Austin, Jr. |
| D264876 | June 8, 1982 | Seid |
| D276936 | December 25, 1984 | Fattaleh |
| 3014278 | December 1961 | Aymar et al. |
| 4080737 | March 28, 1978 | Fleer |
| 4619614 | October 28, 1986 | Baba et al. |
| 4661060 | April 28, 1987 | Strohmaier |
| 797533 | July 1958 | GBX |
- "Dental Instruments", 1981, p. 41--Handpiece.
Patent History
Patent number: D305935
Type: Grant
Filed: Oct 6, 1987
Date of Patent: Feb 6, 1990
Assignee: Siemens Aktiengesellschaft (Berlin and Munich)
Inventors: Reinhard Straihammer (Heppenheim), Werner Schuss (Munich)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Brian N. Vinson
Law Firm: Hill, Van Santen, Steadman & Simpson
Application Number: 7/106,432
Type: Grant
Filed: Oct 6, 1987
Date of Patent: Feb 6, 1990
Assignee: Siemens Aktiengesellschaft (Berlin and Munich)
Inventors: Reinhard Straihammer (Heppenheim), Werner Schuss (Munich)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Brian N. Vinson
Law Firm: Hill, Van Santen, Steadman & Simpson
Application Number: 7/106,432
Classifications
Current U.S. Class:
D24/12
