Conhecimento de parecer técnico
#7.1
05/30/1989
RPI 971
The letters patent expired on 10/04/1994: 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
A. M. (pessoa física)
BR
Inventors
A. M. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#7.1
05/30/1989
RPI 971
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08/05/1986
RPI 824
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02/18/1986
RPI 800
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09/11/1984
RPI 725
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10/04/1994
RPI 1244
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11/24/1992
RPI 1147
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RPI 1123
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RPI 1104
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07/09/1991
RPI 1075
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