Concessão da patente
#16.1
09/29/1987
RPI 884
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: 09/29/1987. We update with every new RPI gazette, published weekly.
Applicants
J. A. (pessoa física)
Inventors
J. A. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/29/1987
RPI 884
#9.1
03/17/1987
RPI 856
09/23/1986
RPI 831
05/13/1986
RPI 812
#15.11
07/02/1985
RPI 767
#6.1
06/11/1985
RPI 764
#4.1
07/24/1984
RPI 718
#3.2
08/10/1982
RPI 616
#2.1
04/20/1982
RPI 600
#21.1
12/07/1993
RPI 1201
Same category
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