Pedido de licença compulsória
#20.1
03/31/1987
RPI 858
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: 03/31/1987. We update with every new RPI gazette, published weekly.
Applicants
S. D. (pessoa física)
Inventors
E. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
03/31/1987
RPI 858
#16.1
10/25/1983
RPI 679
#13.1
06/14/1983
RPI 660
#9.1
02/16/1983
RPI 643
#6.1
07/06/1982
RPI 611
#21.1
12/07/1993
RPI 1201
From the same holder
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