Patent
   D349160
Priority
Mar 26 1992
Filed
Mar 26 1992
Issued
Jul 26 1994
Expiry
Jul 26 2008
Assg.orig
Entity
unknown
5
5
n/a
The ornamental design for a dental x-ray head unit, as shown and described.

FIG. 1 is a perspective view of a first embodiment of a dental X-ray head unit showing my new design; the broken line showing is for illustrative purposes only and forms no part of the claimed design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left end view thereof;

FIG. 5 is a right end view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a rear elevational view thereof;

FIG. 8 is a perspective view of a second embodiment of a dental X-ray head unit showing my new design; the broken line showing is for illustrative purposes only and forms no part of the claimed design;

FIG. 9 is a top plan view thereof;

FIG. 10 is a front elevational view thereof;

FIG. 11 is a left end view thereof;

FIG. 12 is a right end view thereof;

FIG. 13 is a bottom plan view thereof; and,

FIG. 14 is a rear elevational view thereof.

Pellegrino, Anthony J.

Patent Priority Assignee Title
D469182, Mar 06 2002 Midmark Corporation Dental x-ray unit
D470237, Mar 06 2002 Midmark Corporation Split yoke for a dental X-ray unit
D470589, Mar 06 2002 Midmark Corporation Dental X-ray tube head
D870897, Jun 21 2018 Oral Diagnostix, LLC Medical probe
D882036, Jun 26 2018 Vacuum distillation hose
Patent Priority Assignee Title
1881448,
2343730,
736086,
193617,
238307,
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Mar 18 1992PELLEGRINO, ANTHONY J LORAD CORPORATION A CORP OF CONNECTICUTASSIGNMENT OF ASSIGNORS INTEREST 0060650572 pdf
Mar 26 1992Lorad Corporation(assignment on the face of the patent)
Jun 27 1994Lorad CorporationThermoTrex CorporationMERGER SEE DOCUMENT FOR DETAILS 0071620977 pdf
Feb 28 1997ThermoTrex CorporationTrex Medical CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0083920975 pdf
Sep 10 2000Trex Medical CorporationTREX MEDICAL SYSTEMS CORPORATIONASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0122800579 pdf
Sep 15 2000TREX MEDICAL SYSTEMS CORPORATIONHologic, IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0114420560 pdf
Oct 22 2007Hologic, IncGOLDMAN SACHS CREDIT PARTNERS L P PATENT SECURITY AGREEMENT0200180818 pdf
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