Publicação do pedido de patente
#3.1
10/10/1989
RPI 990
Application data
Number
PI8801281Type
Filing
Publication
The letters patent expired on 09/02/2008: 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: 10/10/1989. We update with every new RPI gazette, published weekly.
Applicants
Explo-Industriais Químicas e Explosivos S/A
SP, BR
Explo-Indústrias Químicas e Explosivos S.A.
Inventors
R. B. (pessoa física)
BR
Z. R. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
10/10/1989
RPI 990
#2.1
07/19/1988
RPI 926
#21.1
Patente extinta em 22/03/2003
09/02/2008
RPI 1965
03/16/1993
RPI 1163
#16.1
05/26/1992
RPI 1121
#13.1
12/17/1991
RPI 1098
#9.1
08/20/1991
RPI 1081
#4.1
10/09/1990
RPI 1036
From the same holder
Same category
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