Carta-patente expirada
#21.1
Patente extinta em 09/11/2010
05/21/2013
RPI 2211
Application data
Number
PI9005680Type
Filing
Publication
The letters patent expired on 05/21/2013: 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: 05/21/2013. We update with every new RPI gazette, published weekly.
Applicants
Petróleo Brasileiro S/A - Petrobrás
RJ, BR
Inventors
G. C. (pessoa física)
BR
L. M. (pessoa física)
BR
P. S. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 09/11/2010
05/21/2013
RPI 2211
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02/22/2000
RPI 1520
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08/31/1999
RPI 1495
#6.1
09/23/1997
RPI 1399
#4.1
05/11/1993
RPI 1171
#3.1
06/30/1992
RPI 1126
#2.1
11/19/1991
RPI 1094
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