Notificação para pagamento de retribuição
#13.1
08/22/1989
RPI 983
Application data
Number
PI8305404Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 08/22/1989. We update with every new RPI gazette, published weekly.
Applicants
Petróleo Brasileiro S/A - Petrobrás
RJ, BR
Inventors
C. P. (pessoa física)
BR
H. R. (pessoa física)
BR
I. P. (pessoa física)
BR
J. F. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#13.1
08/22/1989
RPI 983
#9.1
04/25/1989
RPI 966
#6.1
01/03/1989
RPI 950
#4.1
09/17/1985
RPI 778
07/02/1985
RPI 767
#3.1
05/07/1985
RPI 759
#21.1
Patente extinta em 30/09/98
07/01/2008
RPI 1956
02/19/1991
RPI 1055
#13.1
11/27/1990
RPI 1043
#16.1
09/25/1990
RPI 1034
#9.1.2
08/14/1990
RPI 1028
08/07/1990
RPI 1027
#13.1
06/19/1990
RPI 1023
#9.1
03/01/1990
RPI 1007
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