Publicação do pedido de patente
#3.1
12/15/1987
RPI 895
Application data
Number
PI8700900Type
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: 12/15/1987. We update with every new RPI gazette, published weekly.
Applicants
PPG INDUSTRIES INC [US]
Inventors
G. M. (pessoa física)
US
G. M. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
12/15/1987
RPI 895
#2.1
06/23/1987
RPI 870
#21.1
Patente extinta em 25/02/2002
07/29/2008
RPI 1960
#16.1
02/27/1996
RPI 1317
#13.1
11/28/1995
RPI 1304
#9.1
07/18/1995
RPI 1285
#6.1
06/09/1992
RPI 1123
#4.1
08/21/1990
RPI 1029
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