Pedido de licença compulsória
#20.1
01/13/1987
RPI 847
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: 01/13/1987. We update with every new RPI gazette, published weekly.
Applicants
PAULO DAS NEVES CAVALCANTE [BR]
Inventors
C. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
01/13/1987
RPI 847
#16.1
07/29/1986
RPI 823
#13.1
04/22/1986
RPI 809
#9.1
12/17/1985
RPI 791
#4.1
07/24/1984
RPI 718
#3.1
05/02/1984
RPI 706
#2.1
11/09/1982
RPI 629
#21.1
12/07/1993
RPI 1201
Same category
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