Pedido de licença compulsória
#20.1
07/16/1985
RPI 769
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: 07/16/1985. We update with every new RPI gazette, published weekly.
Applicants
D. T. (pessoa física)
Inventors
No inventors listed.
IPC Classification
No IPC classification.
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
07/16/1985
RPI 769
#13.1
07/27/1982
RPI 614
#9.1
04/06/1982
RPI 598
#21.1
07/20/1993
RPI 1181
From the same holder
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