Solicitação de exame técnico
#4.1
10/24/1989
RPI 992
Application data
Number
PI8702833Type
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: 10/24/1989. We update with every new RPI gazette, published weekly.
Applicants
Explo-Brasil S.A
SP, BR
Explo-Indústrias Químicas e Explosivos S.A.
Inventors
N. M. (pessoa física)
BR
Z. R. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
10/24/1989
RPI 992
#3.1
12/27/1988
RPI 949
#2.1
09/01/1987
RPI 880
#21.1
Patente extinta em 03/06/2002
07/29/2008
RPI 1960
#16.1
08/30/1994
RPI 1239
#13.1
05/10/1994
RPI 1223
#9.1
01/18/1994
RPI 1207
02/24/1993
RPI 1160
From the same holder
Same category
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