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Patent
   D269727
Priority
Jan 20 1978
Filed
Dec 11 1980
Issued
Jul 12 1983
Expiry
Jul 12 1997
Inventors
Jofs, Jarl…
Assg.orig
Oy Wiik & …
Assg.curr
OY WIIK & …
Entity
unknown
Referenced by
0
References
8
Maint.:
n/a
The ornamental design for a sheet of plastic material, substantially as shown and described.

FIG. 1 is a plan view of a sheet of plastic material showing my new design;

FIG. 2 is an enlarged plan view of a portion of the sheet of FIG. 1.
INVENTORS:

Jofs, Jarl-Erik

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
112233,
16291,
D242803, Jul 29 1975 Certain-teed Corporation Ceiling tile
D243189, Dec 26 1974 Nippon Paint Co., Ltd. Building board
D245042, Jul 16 1975 ARMSTRONG WORLD INDUSTRIES, INC , P O BOX 3001, LANCASTER, PA 17604 A PA CORP Embossed plastic sheet material
D259594, Apr 25 1979 ARMSTRONG WORLD INDUSTRIES, INC , P O BOX 3001, LANCASTER, PA 17604 A PA CORP Embossed plastic sheet material
26666,
41572,
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 11 1980Oy Wiik & Hoglund Ab(assignment on the face of the patent)
Jan 27 1983JOFS, JARL-ERIKOY WIIK & HOGLUND AB ,ASSIGNMENT OF ASSIGNORS INTEREST 0040990578 pdf
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