Pedido de licença compulsória
#20.1
02/21/1989
RPI 957
The letters patent expired on 09/21/1993: 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: 02/21/1989. We update with every new RPI gazette, published weekly.
Applicants
P. W. (pessoa física)
Inventors
B. H. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
02/21/1989
RPI 957
01/08/1985
RPI 742
01/02/1985
RPI 741
12/26/1984
RPI 740
10/02/1984
RPI 728
#16.1
12/29/1981
RPI 584
#21.1
09/21/1993
RPI 1190
From the same holder
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