Concessão da patente
#16.1
06/02/1987
RPI 867
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: 06/02/1987. We update with every new RPI gazette, published weekly.
Applicants
Conselho Nacional de Desenvolvimento Científico e Tecnológico - CNPQ
DF, BR
Inventors
P. J. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/02/1987
RPI 867
12/23/1986
RPI 844
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08/26/1986
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RPI 809
#15.11
09/24/1985
RPI 779
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06/18/1985
RPI 765
#4.1
10/16/1984
RPI 730
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RPI 706
#3.1
09/27/1983
RPI 675
#2.1
04/06/1982
RPI 598
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12/07/1993
RPI 1201
09/18/1990
RPI 1033
09/18/1990
RPI 1033
06/19/1990
RPI 1023
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