Solicitação de exame técnico
#4.1
10/17/1989
RPI 991
The letters patent expired on 07/22/2008: 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: 10/17/1989. We update with every new RPI gazette, published weekly.
Applicants
Interatom GmbH
DE
S. A. (pessoa física)
DE
Inventors
C. T. (pessoa física)
DE
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
10/17/1989
RPI 991
09/15/1987
RPI 882
08/04/1987
RPI 876
#2.1
03/24/1987
RPI 857
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: B01J 35/02; B01D 53/36.
03/27/2018
RPI 2464
#21.1
Patente extinta em 29/09/2001
07/22/2008
RPI 1959
#16.1
10/26/1993
RPI 1195
08/24/1993
RPI 1186
#13.1
08/17/1993
RPI 1185
#9.1
04/20/1993
RPI 1168
#6.1
05/19/1992
RPI 1120
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.