Pedido de licença compulsória
#20.1
04/05/1988
RPI 911
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: 04/05/1988. We update with every new RPI gazette, published weekly.
Applicants
YARWAY CORP
Inventors
B. W. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
04/05/1988
RPI 911
#20.1
08/16/1983
RPI 669
#16.1
05/25/1982
RPI 605
#21.1
09/21/1993
RPI 1190
From the same holder
Same category
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