Publicação do pedido de patente
#3.1
09/05/1989
RPI 985
Application data
Number
PI8900098Type
Filing
Publication
The letters patent expired on 12/15/2009: 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: 09/05/1989. We update with every new RPI gazette, published weekly.
Applicants
Degremont
FR
Inventors
D. M. (pessoa física)
FR
M. G. (pessoa física)
FR
V. S. (pessoa física)
FR
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
09/05/1989
RPI 985
#2.1
02/21/1989
RPI 957
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era B01D 23/18.
03/27/2018
RPI 2464
#21.1
Patente extinta em 10/01/2004
12/15/2009
RPI 2032
#16.1
11/26/1996
RPI 1356
#13.1
07/02/1996
RPI 1335
#9.1
01/09/1996
RPI 1310
#6.1
05/02/1995
RPI 1274
#6.1
01/03/1995
RPI 1257
#4.1
07/23/1991
RPI 1077
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