Patent
   D295801
Priority
Mar 29 1984
Filed
Sep 24 1984
Issued
May 24 1988
Expiry
May 24 2002
Assg.orig
Entity
unknown
4
3
n/a
The ornamental design for a set of brush heads for mounting in a dental unit, as shown and described.

FIG. 1 is a top plan view of a first member of a set of brush heads for mounting in a dental unit, showing my new design;

FIG. 2 is a top plan view of a second member of the set;

FIG. 3 is a top plan view of a third member of the set;

FIGS. 4-6 are side elevational views of the three brush heads shown in FIGS. 1-3;

FIGS. 7-9 are bottom plan views of the brush heads.

Olsen, Hans

Patent Priority Assignee Title
D306236, Mar 29 1984 PROFESSIONAL DENTAL TECHNOLOGIES, INC , A CORP OF NEVADA Brush head for mounting in a dental instrument
D309062, Mar 29 1984 PROFESSIONAL DENTAL TECHNOLOGIES, INC , A CORP OF NEVADA Brush head for mounting in a dental instrument
D413729, Nov 20 1995 DenTek Oral Care, Inc Gum brush
D867580, Feb 27 2007 Water Pik, Inc. Oral irrigator tip with bristles
Patent Priority Assignee Title
2196667,
138384,
237188,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 24 1984Aktiebolaget Svensk Eldental(assignment on the face of the patent)
Jan 11 1985OLSEN, HANSAktiebolaget Svensk EldentalASSIGNMENT OF ASSIGNORS INTEREST 0043610119 pdf
Jul 25 1989DYNAVESTAktiebolaget Svensk EldentalSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0051810764 pdf
Jul 25 1989PROFESSIONAL DENTAL TECHNOLOGIES INC Aktiebolaget Svensk EldentalSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0051810764 pdf
Aug 15 1989AKTIEBOLAGET SVENSK ELEDENTALPROFESSIONAL DENTAL TECHNOLOGIES, INC ASSIGNMENT OF ASSIGNORS INTEREST 0052080537 pdf
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