Concessão da patente
#16.1
08/29/1989
RPI 984
The letters patent expired on 12/07/1993: 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: 08/29/1989. We update with every new RPI gazette, published weekly.
Applicants
Changer - Tecnologia e Patentes Ltda.
RS, BR
Inventors
J. C. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/29/1989
RPI 984
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RPI 940
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RPI 896
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RPI 896
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01/06/1987
RPI 846
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RPI 803
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RPI 672
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RPI 589
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12/07/1993
RPI 1201
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