Publicação do pedido de patente
#3.1
08/15/1989
RPI 982
Application data
Number
PI8707098Type
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: 08/15/1989. We update with every new RPI gazette, published weekly.
Applicants
Petróleo Brasileiro S/A - Petrobrás
RJ, BR
P. A. (pessoa física)
BA, BR
P. A. (pessoa física)
BA, BR
Inventors
J. S. (pessoa física)
BR
J. A. (pessoa física)
BR
O. F. (pessoa física)
BR
R. H. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
08/15/1989
RPI 982
#2.1
04/12/1988
RPI 912
#21.1
Patente extinta em 29/12/2002
07/29/2008
RPI 1960
#16.1
05/30/1995
RPI 1278
#13.1
01/03/1995
RPI 1257
#9.1
08/30/1994
RPI 1239
#6.1
02/22/1994
RPI 1212
#4.1
05/01/1990
RPI 1016
From the same holder
Same category
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