Pedido de licença compulsória
#20.1
03/24/1987
RPI 857
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: 03/24/1987. We update with every new RPI gazette, published weekly.
Applicants
E. N. (pessoa física)
RJ, BR
Inventors
E. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
03/24/1987
RPI 857
#16.1
03/25/1986
RPI 805
11/05/1985
RPI 785
#12.1
05/21/1985
RPI 761
#9.1
01/02/1985
RPI 741
06/26/1984
RPI 714
#6.1
05/29/1984
RPI 710
05/15/1984
RPI 708
#7.1
09/20/1983
RPI 674
#4.1
03/01/1983
RPI 645
#21.1
12/07/1993
RPI 1201
From the same holder
Same category
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