Solicitação de exame técnico
#4.1
07/12/1988
RPI 925
Application data
Number
PI8603179Type
Filing
Publication
The letters patent expired on 07/22/2008: 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: 07/12/1988. We update with every new RPI gazette, published weekly.
Applicants
Britanite S/A Indústrias Químicas
PR, BR
Inventors
E. O. (pessoa física)
BR
J. O. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
07/12/1988
RPI 925
#3.1
03/08/1988
RPI 907
#2.1
01/06/1987
RPI 846
#21.1
Patente extinta em 03/07/2001
07/22/2008
RPI 1959
#16.1
08/31/1993
RPI 1187
#13.1
05/25/1993
RPI 1173
#9.1
02/09/1993
RPI 1158
#6.1
04/21/1992
RPI 1116
06/11/1991
RPI 1071
From the same holder
Same category
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