Publicação do pedido de patente
#3.1
09/05/1989
RPI 985
Application data
Number
PI8800203Type
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: 09/05/1989. We update with every new RPI gazette, published weekly.
Applicants
Petróleo Brasileiro S/A - Petrobrás
RJ, BR
Inventors
C. M. (pessoa física)
BR
L. L. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
09/05/1989
RPI 985
#2.1
05/31/1988
RPI 919
#21.1
Patente extinta em 21/01/2003
09/02/2008
RPI 1965
#16.1
09/29/1992
RPI 1139
#13.1
03/03/1992
RPI 1109
#9.1
10/22/1991
RPI 1090
#4.1
05/22/1990
RPI 1019
From the same holder
Same category
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