Concessão anulada
#16.2
07/26/1988
RPI 927
Application data
Number
PI8400205Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 07/26/1988. We update with every new RPI gazette, published weekly.
Applicants
Britanite S/A Industrias Químicas
SP, BR
Inventors
S. D. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.2
07/26/1988
RPI 927
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12/16/1986
RPI 843
#6.1
04/22/1986
RPI 809
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12/11/1984
RPI 738
#4.2
09/25/1984
RPI 727
#3.2
09/11/1984
RPI 725
#2.1
03/20/1984
RPI 700
#21.1
Patente extinta em 13/01/99
07/08/2008
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04/16/1991
RPI 1063
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