Republicação - classificação IPC
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era B01D 23/24.
03/27/2018
RPI 2464
Application data
Number
PI8807714Type
Filing
Publication
PCT
US1988003224 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: 03/27/2018. We update with every new RPI gazette, published weekly.
Applicants
C. H. (pessoa física)
US
Inventors
C. H. (pessoa física)
US
IPC Classification
Priority claims
US
100.573 · 09/24/1987
Publications in the Brazilian Industrial Property Gazette (RPI).
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era B01D 23/24.
03/27/2018
RPI 2464
#21.1
Patente extinta em 17/09/2008
05/21/2013
RPI 2211
#16.1
09/30/1997
RPI 1400
#13.1
05/06/1997
RPI 1379
#9.1
12/31/1996
RPI 1361
#6.1
10/03/1995
RPI 1296
#7.1
03/28/1995
RPI 1269
#4.1
07/16/1991
RPI 1076
#1.3
08/07/1990
RPI 1027
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.