Pedido de licença compulsória
#20.1
08/07/1984
RPI 720
The letters patent expired on 12/07/1993: 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: 08/07/1984. We update with every new RPI gazette, published weekly.
Applicants
S. F. (pessoa física)
Inventors
S. F. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
08/07/1984
RPI 720
#16.1
01/31/1984
RPI 693
12/13/1983
RPI 686
09/27/1983
RPI 675
#12.1
02/08/1983
RPI 642
#9.1
09/14/1982
RPI 621
#6.1
04/13/1982
RPI 599
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era E04F 11/12.
03/27/2018
RPI 2464
#21.1
12/07/1993
RPI 1201
From the same holder
Same category
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