Pedido de licença compulsória
#20.1
07/07/1987
RPI 872
The letters patent expired on 09/21/1993: 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: 07/07/1987. We update with every new RPI gazette, published weekly.
Applicants
OXY METAL INDUSTRIES CORP
Inventors
F. D. (pessoa física)
K. P. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
07/07/1987
RPI 872
06/30/1987
RPI 871
#20.1
03/10/1987
RPI 855
#16.1
05/25/1982
RPI 605
#21.1
09/21/1993
RPI 1190
From the same holder
Same category
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