Carta-patente expirada
#21.1
Patente extinta em 12/10/2005
06/01/2010
RPI 2056
Application data
Number
PI9005130Type
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
Conforja Equipetrol S.A
BA, BR
Petróleo Brasileiro S/A - Petrobrás
RJ, BR
Inventors
J. M. (pessoa física)
BR
J. M. (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
08/29/1995
RPI 1291
#16.1
04/25/1995
RPI 1273
11/08/1994
RPI 1249
#13.1
08/02/1994
RPI 1235
#9.1
03/29/1994
RPI 1217
#4.1
11/03/1992
RPI 1144
#3.1
04/14/1992
RPI 1115
#2.1
04/09/1991
RPI 1062
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.