Carta-patente expirada
#21.1
Patente extinta em 12/10/2005
06/01/2010
RPI 2056
Application data
Number
PI9005126Type
Filing
Publication
The letters patent expired on 06/01/2010: 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: 06/01/2010. We update with every new RPI gazette, published weekly.
Applicants
Petróleo Brasileiro S/A - Petrobrás
RJ, BR
Inventors
J. S. (pessoa física)
BR
L. M. (pessoa física)
BR
M. H. (pessoa física)
BR
R. C. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 12/10/2005
06/01/2010
RPI 2056
#16.1
12/27/1994
RPI 1256
#13.1
08/16/1994
RPI 1237
#9.1
04/19/1994
RPI 1220
#4.1
01/12/1993
RPI 1154
#3.1
06/30/1992
RPI 1126
#2.1
11/19/1991
RPI 1094
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.