Publicação do pedido de patente
#3.1
12/01/1987
RPI 893
Application data
Number
PI8700097Type
Filing
Publication
The letters patent expired on 07/29/2008: 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: 12/01/1987. We update with every new RPI gazette, published weekly.
Applicants
H. A. (pessoa física)
DE
Inventors
D. B. (pessoa física)
DE
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
12/01/1987
RPI 893
#2.1
05/19/1987
RPI 865
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07D 317/36; C08G 71/04; C08L 75/08; C09D 3/72; B05D 7/24.
03/27/2018
RPI 2464
#21.1
Patente extinta em 12/01/2002
07/29/2008
RPI 1960
#16.1
08/30/1994
RPI 1239
#13.1
05/10/1994
RPI 1223
#9.1
01/18/1994
RPI 1207
#6.1
03/02/1993
RPI 1161
#4.1
03/20/1990
RPI 1010
From the same holder
Same category
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