Dental handpiece
United States Patent D305935
US Patent References:
Improved dental handpiece
Austin, Jr. - July, 1980 - D255929

Dental handpiece
Seid - June, 1982 - D264876

Personal dental care appliance
Fattaleh - December, 1984 - D276936

Dental handpiece
Aymar et al. - December, 1961 - 3014278

Coupling device for dental handpieces
Fleer - March, 1978 - 4080737


Inventors:
Straihammer, Reinhard (Heppenheim, DE)
Schuss, Werner (Munich, DE)
Application Number:
D/106432
Publication Date:
02/06/1990
Filing Date:
10/06/1987
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Assignee:
Siemens Aktiengesellschaft (Berlin and Munich, DE)
Primary Class:
D24/146
Field of Search:
D24/10, D24/12, D24/15-16, 433/102, 433/114, 433/116, 433/118, 433/125, 433/131, 433/133, 433/82
US Patent References:
4619614Rotational coupling device for a dental handpiece having a built-in batteryOctober, 1986Baba et al.433/131
4661060Dental handpieceApril, 1987Strohmaier433/82
Foreign References:
GB797533July, 1958433/82
Other References:
"Dental Instruments", 1981, p. 41--Handpiece.
Primary Examiner:
Burke, Wallace R.
Assistant Examiner:
Vinson, Brian N.
Attorney, Agent or Firm:
Hill, Van Santen, Steadman & Simpson
Claims:
1. The ornamental design for a dental handpiece.

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;