Publicação do pedido de patente
#3.1
10/24/1989
RPI 992
Application data
Number
PI8801440Type
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: 10/24/1989. We update with every new RPI gazette, published weekly.
Applicants
Petróleo Brasileiro S/A - Petrobrás
RJ, BR
Inventors
Á. R. (pessoa física)
BR
C. J. (pessoa física)
BR
E. F. (pessoa física)
BR
F. E. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
10/24/1989
RPI 992
#2.1
07/19/1988
RPI 926
#21.1
Patente extinta em 29/03/2003
09/02/2008
RPI 1965
#16.1
03/29/1994
RPI 1217
#13.1
10/13/1993
RPI 1193
#9.1
06/01/1993
RPI 1174
#7.1
04/14/1992
RPI 1115
#4.1
08/07/1990
RPI 1027
From the same holder
Same category
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