Pedido de licença compulsória
#20.1
11/10/1987
RPI 890
The letters patent expired on 06/21/1994: 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: 11/10/1987. We update with every new RPI gazette, published weekly.
Applicants
O. K. (pessoa física)
Inventors
O. K. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
11/10/1987
RPI 890
#16.1
05/17/1983
RPI 656
03/22/1983
RPI 648
#12.1
09/14/1982
RPI 621
#9.1
06/01/1982
RPI 606
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era A01D 55/262.
03/20/2018
RPI 2463
#21.1
06/21/1994
RPI 1229
Same category
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