Carta-patente expirada
#21.1
Patente extinta em 20/09/2009
12/26/2012
RPI 2190
Application data
Number
PI8904721Type
Filing
Publication
The letters patent expired on 12/26/2012: 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: 12/26/2012. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
A. B. (pessoa física)
NL
F. W. (pessoa física)
NL
J. D. (pessoa física)
NL
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 20/09/2009
12/26/2012
RPI 2190
#16.1
12/29/1998
RPI 1460
#9.1
03/03/1998
RPI 1419
#6.1
08/30/1994
RPI 1239
#4.1
05/26/1992
RPI 1121
#3.1
05/01/1990
RPI 1016
#2.1
03/06/1990
RPI 1008
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.