Publicação do pedido de patente
#3.1
07/19/1988
RPI 926
Application data
Number
PI8706609Type
Filing
Publication
The letters patent expired on 07/29/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 07/19/1988. We update with every new RPI gazette, published weekly.
Applicants
Armstrong World Industries, Inc
US
Inventors
S. S. (pessoa física)
US
IPC Classification
Priority claims
US
45.464 · 05/04/1987
US
939,604 · 12/08/1986
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
07/19/1988
RPI 926
#2.1
03/29/1988
RPI 910
#21.1
Patente extinta em 08/12/2002
07/29/2008
RPI 1960
#15.11
02/12/1997
RPI 1367
#16.1
04/30/1996
RPI 1326
#9.1
09/05/1995
RPI 1292
#6.1
02/21/1995
RPI 1264
#4.1
08/28/1990
RPI 1030
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