Patent
   D260688
Priority
Sep 21 1978
Filed
Sep 21 1978
Issued
Sep 08 1981
Expiry
Sep 08 1995
Assg.orig
Entity
unknown
5
6
n/a
The ornamental design for a lamp ballast, shown and described.

FIG. 1 is a front perspective view of a lamp ballast showing our new design.

FIG. 2 is a rear perspective view of our new design.

Wotowiec, Joseph P., Bowls, Thurman

Patent Priority Assignee Title
D306909, Apr 16 1987 Herman Miller, Inc. Office light fixture
D533957, Jun 14 2004 Genlyte Thomas Group, LLC Ribbed ballast housing
D766824, Feb 14 2015 QINGDAO MEFINE ELECTRONICS TECHNOLOGY CO., LTD. Electronic ballast
D766825, Apr 07 2015 QINGDAO MEFINE ELECTRONICS TECHNOLOGY CO., LTD. Electronic ballast
D778833, Apr 07 2015 QINGDAO MEFINE ELECTRONICS TECHNOLOGY CO., LTD. Electronic ballast
Patent Priority Assignee Title
2391325,
2667571,
3040170,
3061716,
3275922,
D247619, May 10 1976 DISSTON COMPANY, THE, 1030 W MARKET ST , GREENSBORO, NC 27401, A CORP OF NC Rechargeable battery pack
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 21 1978General Electric Company(assignment on the face of the patent)
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