Pedido de licença compulsória
#20.1
08/30/1983
RPI 671
The letters patent expired on 11/30/1993: 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: 08/30/1983. We update with every new RPI gazette, published weekly.
Applicants
N. U. (pessoa física)
Inventors
No inventors listed.
IPC Classification
No IPC classification.
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
08/30/1983
RPI 671
#13.1
06/08/1982
RPI 607
#9.1
02/24/1982
RPI 592
#21.1
11/30/1993
RPI 1200
From the same holder
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