Carta-patente expirada
#21.1
Patente extinta em 10/10/2010
05/21/2013
RPI 2211
Application data
Number
PI9005065Type
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
Shell Internationale Research Maatschappij B.V
NL
Inventors
J. M. (pessoa física)
US
J. G. (pessoa física)
US
IPC Classification
Priority claims
US
420,974 · 10/12/1989
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 10/10/2010
05/21/2013
RPI 2211
#16.1
04/18/2000
RPI 1528
#9.1
09/28/1999
RPI 1499
#6.1
05/04/1999
RPI 1478
#6.1
08/11/1998
RPI 1442
#4.1
10/13/1993
RPI 1193
#3.1
09/17/1991
RPI 1085
#2.1
04/09/1991
RPI 1062
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.