Deferimento
#9.1
11/07/1989
RPI 994
The letters patent expired on 09/17/1996: 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: 11/07/1989. We update with every new RPI gazette, published weekly.
Applicants
R. V. (pessoa física)
SP, BR
Inventors
R. V. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#9.1
11/07/1989
RPI 994
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07/25/1989
RPI 979
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04/12/1988
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01/05/1988
RPI 898
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RPI 848
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09/17/1996
RPI 1346
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08/28/1990
RPI 1030
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03/13/1990
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