Pedido de licença compulsória
#20.1
07/10/1984
RPI 716
The letters patent expired on 07/20/1993: 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: 07/10/1984. We update with every new RPI gazette, published weekly.
Applicants
ANTEL INC
Inventors
G. M. (pessoa física)
H. W. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
07/10/1984
RPI 716
05/29/1984
RPI 710
#16.1
05/25/1982
RPI 605
#21.1
07/20/1993
RPI 1181
Same category
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