Publicação do pedido de patente
#3.1
04/25/1989
RPI 966
Application data
Number
PI8705324Type
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: 04/25/1989. We update with every new RPI gazette, published weekly.
Applicants
Petróleo Brasileiro S/A - Petrobrás
RJ, BR
Inventors
A. W. (pessoa física)
BR
J. M. (pessoa física)
J. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
04/25/1989
RPI 966
#2.1
12/29/1987
RPI 897
#21.1
Patente extinta em 07/10/2002
07/29/2008
RPI 1960
#16.1
03/31/1992
RPI 1113
#13.1
10/01/1991
RPI 1087
#9.1
06/04/1991
RPI 1070
#4.1
10/02/1990
RPI 1035
From the same holder
Same category
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