Pedido de licença compulsória
#20.1
08/15/1989
RPI 982
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: 08/15/1989. We update with every new RPI gazette, published weekly.
Applicants
PIRELLI
Inventors
No inventors listed.
IPC Classification
No IPC classification.
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
08/15/1989
RPI 982
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08/31/1982
RPI 619
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04/27/1982
RPI 601
#6.1
11/03/1981
RPI 576
#21.1
09/21/1993
RPI 1190
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