Concessão da patente
#16.1
09/26/1989
RPI 988
Application data
Number
PI8307679Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 09/26/1989. We update with every new RPI gazette, published weekly.
Applicants
O. K. (pessoa física)
JP
Inventors
H. T. (pessoa física)
JP
N. O. (pessoa física)
JP
N. Y. (pessoa física)
JP
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/26/1989
RPI 988
#13.1
01/24/1989
RPI 953
#9.1
10/04/1988
RPI 937
#6.1
03/29/1988
RPI 910
#4.1
02/26/1985
RPI 749
#1.3
12/11/1984
RPI 738
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: D07D 309/32; C07D 405/06; C07D 413/06; A01N 43/16.
03/27/2018
RPI 2464
#21.1
Patente extinta em 17/01/98
07/01/2008
RPI 1956
From the same holder
Same category
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