Pedido de patente depositado
#2.1
02/28/1989
RPI 958
Application data
Number
PI8900153Type
Filing
Publication
The letters patent expired on 12/15/2009: 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: 02/28/1989. We update with every new RPI gazette, published weekly.
Applicants
Petróleo Brasileiro S/A - Petrobrás
RJ, BR
Inventors
A. H. (pessoa física)
BR
O. F. (pessoa física)
BR
V. V. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
02/28/1989
RPI 958
#21.1
Patente extinta em 13/01/2004
12/15/2009
RPI 2032
#22.1
09/12/1995
RPI 1293
#16.1
02/24/1993
RPI 1160
#13.1
09/01/1992
RPI 1135
#9.1
03/24/1992
RPI 1112
#4.1
11/06/1990
RPI 1040
#3.1
08/14/1990
RPI 1028
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