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
C. I. (pessoa física)
N. F. (pessoa física)
Inventors
C. I. (pessoa física)
N. F. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/29/1987
RPI 884
#13.1
05/12/1987
RPI 864
03/10/1987
RPI 855
06/17/1986
RPI 817
#12.2
01/02/1985
RPI 741
#9.2
09/11/1984
RPI 725
#4.1
07/19/1983
RPI 665
#3.2
10/27/1981
RPI 575
#21.1
12/07/1993
RPI 1201
From the same holder
Same category
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