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Patent
   D261435
Priority
Sep 27 1979
Filed
Sep 27 1979
Issued
Oct 20 1981
Expiry
Oct 20 1995
Inventors
Kies, Jare…
Assg.orig
Owens-Corn…
Assg.curr
ARMSTRONG …
Entity
unknown
Referenced by
9
References
3
Maint.:
n/a
The ornamental design for an acoustical ceiling panel, substantially as shown.

FIG. 1 is a reduced perspective view of an acoustical ceiling panel showing my new design;

FIG. 2 is a plan view of a portion of the acoustical ceiling panel of FIG. 1 at substantially actual size; and

FIG. 3 is a perspective view of a portion of the acoustical ceiling panel of FIG. 1 at the substantially actual size.
INVENTORS:

Kies, Jared R., Weitzman, Mark R.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
4433022, Dec 17 1979 BGF INDUSTRIES, INC Three-dimensional ceiling board facing
D474847, Jun 14 2001 USG INTERIORS, LLC Embossed acoustical ceiling panel
D476093, Jun 14 2001 USG INTERIORS, LLC Embossed acoustical ceiling panel
D486922, May 15 2003 Armstrong World Industries, Inc.; ARMSTRONG WORLD INDUSTRIES, INC Ceiling tile
D487318, May 15 2003 Armstrong World Industries, Inc.; ARMSTRONG WORLD INDUSTRIES, INC Ceiling tile
D487319, May 15 2003 Armstrong World Industries, Inc.; ARMSTRONG WORLD INDUSTRIES, INC Ceiling tile
D487938, May 15 2003 Armstrong World Industries, Inc.; ARMSTRONG WORLD INDUSTRIES, INC Ceiling tile
D631670, Dec 31 2008 Knauf Insulation GmbH Insulation material
D635783, Dec 31 2008 Knauf Insulation GmbH Combined insulation material and wall studs
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
222855,
D244803, Apr 21 1975 ARMSTRONG WORLD INDUSTRIES, INC , P O BOX 3001, LANCASTER, PA 17604 A PA CORP Embossed plastic sheet material
79517,
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 27 1979Owens-Corning Fiberglas Corporation(assignment on the face of the patent)
Mar 27 1981WEITZMAN MARK R OWENS-CORNING FIBERGLAS CORPORATION, A CORP OF DE,ASSIGNMENT OF ASSIGNORS INTEREST 0038570605 pdf
Nov 03 1986Owens-Corning Fiberglas CorporationWilmington Trust CompanySECURITY INTEREST SEE DOCUMENT FOR DETAILS 0046520351 pdf
Nov 03 1986Owens-Corning Fiberglas CorporationWADE, WILLIAM, J SECURITY INTEREST SEE DOCUMENT FOR DETAILS 0046520351 pdf
Dec 31 1986Owen-Corning Fiberglas CorporationARMSTRONG WORLD INDUSTRIES, INC , P O BOX 3001, LANCASTER, PA 17604 A PA CORP ASSIGNMENT OF ASSIGNORS INTEREST 0047190372 pdf
Feb 09 1987Wilmington Trust CompanyARMSTRONG WORLD INDUSTRIES, INC , A CORP RELEASED BY SECURED PARTY SEE DOCUMENT FOR DETAILS 0046770661 pdf
Jul 30 1987WILMINGTON TRUST COMPANY, A DE BANKING CORPORATIONOWENS-CORNING FIBERGLAS CORPORATION, A CORP OF DE TERMINATION OF SECURITY AGREEMENT RECORDED NOV 13, 1986 REEL 4652 FRAMES 351-4200049030501 pdf
Jul 30 1987WADE, WILLIAM J TRUSTEES OWENS-CORNING FIBERGLAS CORPORATION, A CORP OF DE TERMINATION OF SECURITY AGREEMENT RECORDED NOV 13, 1986 REEL 4652 FRAMES 351-4200049030501 pdf
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