Patent
   D304858
Priority
Nov 10 1986
Filed
May 08 1987
Issued
Nov 28 1989
Expiry
Nov 28 2003
Assg.orig
Entity
unknown
7
8
n/a
The ornamental design for a combined root canal file and grip handle, as shown and described.

FIG. 1 is a bottom, front perspective view of a combined root canal file and grip handle showing my new design;

FIG. 2 is a top, rear perspective view thereof;

FIG. 3 is an enlarged end elevational view of the grip handle portion thereof, the opposite end being identical in appearance to that shown; and

FIG. 4 is an enlarged end and side perspective view thereof.

The file portion is omitted from FIGS. 3 and 4 for clarity of illustration.

Tofft, Klas

Patent Priority Assignee Title
D364941, Aug 18 1994 Combined toothpick and storage case
D392420, Jul 23 1996 Toothpick
D623803, Dec 04 2009 ELLISON EDUCATIONAL EQUIPMENT, INC Pick with removable cover
D656801, Oct 28 2010 Coconut punch
D688005, Nov 10 2011 Toothpick with infinity symbol end
D917695, Jul 30 2019 PHIACADEMY DOO BEOGRAD Cosmetic instrument for beauty care purposes
D947284, Feb 19 2020 Pen grip
Patent Priority Assignee Title
3672378,
4044468, May 03 1976 Handle for cutting and abrading instruments useful in the practice of endodontia
4135302, Feb 28 1975 KRONMAN, JOSEPH H 51 ALGONQUIN ROAD CANTON, MA 02021; KRONMAN ARLENE 51 ALGONQUIN ROAD, CANTON, MA 02021; GOLDMAN, MELVIN; GOLDMAN, SYLVIA Endodontic therapeutic device and procedures
4251214, Jan 28 1977 Vereinigte Dentalwerke Clamping handle for tooth root canal instruments
4280808, May 06 1980 Jordco, Inc. Endodontic file holder
4661061, Jul 22 1985 Four sided root canal rasp for root canal preparation
D250544, Jul 09 1976 Micro-Mega S.A. Dental root-canal broach
D293372, Apr 18 1985 Dental pick
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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 08 1987AB John Sjoding(assignment on the face of the patent)
Oct 10 1987TOFFT, KLASAB John SjodingASSIGNMENT OF ASSIGNORS INTEREST 0047850670 pdf
Oct 31 1996AB John SjodingSJODING SENDOLINE ABCORRECTIVE ASSIGNMENT TO CORRECT PATENT NUMBER D204,858, ERRONEUOSLY RECORDED AT REEL 8231, FRAME 0497 0083540504 pdf
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