Conhecimento de parecer técnico
#7.1
05/30/1989
RPI 971
The letters patent expired on 11/22/1994: 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: 05/30/1989. We update with every new RPI gazette, published weekly.
Applicants
No applicants.
Inventors
R. B. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#7.1
05/30/1989
RPI 971
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RPI 1147
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