Pedido de licença compulsória
#20.1
06/16/1987
RPI 869
The letters patent expired on 05/31/1994: 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: 06/16/1987. We update with every new RPI gazette, published weekly.
Applicants
C. L. (pessoa física)
Inventors
C. L. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
06/16/1987
RPI 869
#16.1
03/29/1983
RPI 649
#13.1
10/05/1982
RPI 624
#9.1
06/22/1982
RPI 609
#21.1
05/31/1994
RPI 1226
From the same holder
Same category
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