Solicitação de exame técnico
#4.1
11/08/1988
RPI 942
The letters patent expired on 05/09/1995: 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: 11/08/1988. 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).
#4.1
11/08/1988
RPI 942
#3.1
10/29/1986
RPI 836
#2.1
06/04/1985
RPI 763
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era A47B 88/04.
03/27/2018
RPI 2464
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05/09/1995
RPI 1275
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11/27/1990
RPI 1043
#13.1
05/01/1990
RPI 1016
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01/09/1990
RPI 1001
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Same category
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