Notificação para pagamento de retribuição
#13.1
10/10/1989
RPI 990
Application data
Number
PI8406260Type
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: 10/10/1989. We update with every new RPI gazette, published weekly.
Applicants
Petróleo Brasileiro S/A - Petrobrás
RJ, BR
Inventors
E. B. (pessoa física)
BR
E. R. (pessoa física)
BR
G. S. (pessoa física)
BR
M. M. (pessoa física)
BR
V. S. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#13.1
10/10/1989
RPI 990
#9.1
06/13/1989
RPI 973
#4.1
09/23/1986
RPI 831
#3.1
06/24/1986
RPI 818
#2.1
08/13/1985
RPI 773
#21.1
Patente extinta em 07/12/99
07/08/2008
RPI 1957
#16.1
04/24/1990
RPI 1015
From the same holder
Same category
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