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Patent
   D250544
Priority
Jul 09 1976
Filed
Jan 04 1977
Issued
Dec 12 1978
Expiry
Dec 12 1992
Inventors
Leonard, H…
Assg.orig
Micro-Mega…
Assg.curr
Micro-Mega…
Entity
unknown
Referenced by
25
References
4
Maint.:
n/a
The ornamental design for a dental root-canal broach, substantially as shown and described.

FIG. 1 is an elevational view of a dental root-canal broach showing my new design;

FIG. 2 is a top plan view thereof; and

FIG. 3 is a bottom plan view thereof.

All elevational views of the new handle, not shown in the drawing, are similar to the view shown in FIG. 1 with two circumferential rows of knurls, and with a dome-shaped head.
INVENTORS:

Leonard, Henri

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
11638578, Nov 28 2017 PNEUMONIX MEDICAL, INC.; PNEUMONIX MEDICAL, INC Apparatus and method to seal a tissue tract
4443193, Feb 08 1983 MILTEX DENTAL, INC Endodontic instrument
4536159, Feb 08 1983 MILTEX DENTAL, INC Endodontic instrument
4611508, Feb 08 1983 MILTEX DENTAL, INC Endodontic instrument
4836780, Aug 22 1986 Ormco Corporation Anti-curvature dental root canal shaping file
5752825, Apr 28 1994 Endodontic treatment system
5836764, Apr 28 1994 Endodontic treatment system
5842861, Apr 28 1994 Endodontic treatment system
5897316, Apr 28 1994 Endodontic treatment system
5921775, Apr 28 1994 Endodontic treatment system
7311522, Mar 31 2003 INTEGRA YORK PA, INC Endodontic instruments and method of manufacturing same
D258988, Apr 10 1978 Micro-Mega S,A, Dental root-canal broach handle
D269371, Apr 10 1980 Micro-Mega S.A. Dental root-canal broach handle
D271617, Oct 30 1980 Micro-Mega S.A. Dental root-canal broach handle
D275034, Nov 20 1980 Micro-Mega S.A. Dental root-canal broach handle
D276374, Oct 21 1981 Micro-Mega S.A. Dental root-canal broach handle
D283840, Apr 08 1983 Matsutani Seisakusho Dental reamer
D304858, Nov 10 1986 SJODING SENDOLINE AB Combined root canal file and grip handle
D603502, Dec 03 2007 MINSURG INTERNATIONAL, INC Surgical impactor
D728098, Apr 15 2013 KARL STORZ SE & CO KG Trocar
D728099, Apr 15 2013 KARL STORZ SE & CO KG Trocar
D877902, Aug 22 2018 Medical tube site plug
D915593, Nov 16 2018 King Saud University Endodontic bioactive materials obturator
D935611, Dec 10 2018 PNEUMONIX MEDICAL, INC Tissue tract sealant device
RE39174, Apr 28 1994 Endodontic treatment system
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
3330040,
3388473,
3578745,
4044468, May 03 1976 Handle for cutting and abrading instruments useful in the practice of endodontia
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 04 1977Micro-Mega S.A.(assignment on the face of the patent)
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
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