Notificação para pagamento de retribuição
#13.1
11/28/1989
RPI 997
Application data
Number
PI8505393Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 11/28/1989. We update with every new RPI gazette, published weekly.
Applicants
Britanite S/A Indústrias Químicas
PR, BR
Inventors
V. O. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#13.1
11/28/1989
RPI 997
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08/01/1989
RPI 980
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11/10/1987
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06/02/1987
RPI 867
#2.1
01/14/1986
RPI 795
#21.1
Patente extinta em 24/10/2000
07/15/2008
RPI 1958
05/07/1991
RPI 1066
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05/29/1990
RPI 1020
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