Deferimento
#9.1
09/12/1989
RPI 986
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: 09/12/1989. We update with every new RPI gazette, published weekly.
Applicants
A. O. (pessoa física)
PR, BR
Inventors
A. O. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#9.1
09/12/1989
RPI 986
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03/29/1988
RPI 910
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01/12/1988
RPI 899
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01/27/1987
RPI 849
#21.1
09/17/1996
RPI 1346
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04/24/1990
RPI 1015
#13.1
01/16/1990
RPI 1002
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