Pedido de licença compulsória
#20.1
08/16/1983
RPI 669
The letters patent expired on 07/13/1993: 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: 08/16/1983. We update with every new RPI gazette, published weekly.
Applicants
N. U. (pessoa física)
Inventors
N. U. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
08/16/1983
RPI 669
#16.1
11/30/1982
RPI 632
#13.1
05/11/1982
RPI 603
02/02/1982
RPI 589
#21.1
07/13/1993
RPI 1180
From the same holder
Same category
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