Patent
   D348939
Priority
Jan 08 1992
Filed
Jul 07 1992
Issued
Jul 19 1994
Expiry
Jul 19 2008
Assg.orig
Entity
unknown
14
9
n/a
The ornamental design for a sealing extrusion for clean room ceilings, as shown and described.

FIG. 1 is a left side perspective view of the sealing extrusion for clean room ceilings showing our new design, the rear being identical thereto; and,

FIG. 2 is a right side perspective view thereof.

Larsson, Bertil, Moren, John

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Patent Priority Assignee Title
2963751,
3027984,
3286425,
4678487, May 14 1985 Flanders Filters, Inc. Laminar flow clean room having improved filter bank
4733509, Jun 21 1985 Comany Co., Ltd. Movable partition system for clean room
4883513, Feb 05 1988 DONALDSON COMPANY, INC , 1400 WEST 94TH STREET, MINNEAPOLIS, MINNESOTA A CORP OF DE Filter cap for clean room ceiling grid system
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4974385, May 11 1989 Naturalite/EPI, Inc. Purlin and rafter interconnection system
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jul 07 1992ABB Flaekt AB(assignment on the face of the patent)
Jul 17 1992LARSSON, BERTILABB Flaekt ABASSIGNMENT OF ASSIGNORS INTEREST 0062260165 pdf
Jul 17 1992MOREN, JOHNABB Flaekt ABASSIGNMENT OF ASSIGNORS INTEREST 0062260165 pdf
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