PTO Wrapper PDF
Dossier Espace Google
Patent
   D281531
Priority
Feb 22 1983
Filed
Feb 22 1983
Issued
Nov 26 1985
Expiry
Nov 26 1999
Inventors
Harris, Wi…
Assg.orig
HAMPTON RE…
Assg.curr
HARRIS, WI…
Entity
unknown
Referenced by
5
References
8
Maint.:
n/a
The ornamental design for a tooth crown remover, as shown and described.

FIG. 1 is a side elevational view of a tooth crown remover showing my new design, which is symetrical about its longitudinal axis;

FIG. 2 is a top end view thereof; and,

FIG. 3 is a bottom end view thereof.
INVENTORS:

Harris, William H.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D293372, Apr 18 1985 Dental pick
D718450, Oct 16 2009 Tooth-extracting implement
D895115, Jan 26 2016 Ivoclar Vivadent AG Modeling tip for dental use
ER9842,
ER9845,
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
2776490,
3254412,
3377704,
3686756,
4300885, Jul 30 1980 Percussive dental crown extractor
571176,
DE2743067,
DE2820591,
ASSIGNMENT RECORDS    Assignment records on the USPTO
//
Executed onAssignorAssigneeConveyanceFrameReelDoc
May 03 1983HARRIS, WILLIAM H HAMPTON RESEARCH & ENGINEERING, INC ASSIGNMENT OF ASSIGNORS INTEREST 0041330233 pdf
Jan 16 1984HAMPTON RESEARCH & ENGINEERING, INC HARRIS, WILLIAM H , D D S ASSIGNMENT OF ASSIGNORS INTEREST 0042250923 pdf
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule