Concessão da patente
#16.1
08/30/1988
RPI 932
The letters patent expired on 09/21/1993: 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: 08/30/1988. We update with every new RPI gazette, published weekly.
Applicants
M. I. (pessoa física)
Inventors
K. N. (pessoa física)
M. S. (pessoa física)
T. A. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/30/1988
RPI 932
#13.1
06/07/1988
RPI 920
#9.1
02/09/1988
RPI 903
08/11/1987
RPI 877
#15.3
04/22/1987
RPI 861
#6.1
05/17/1983
RPI 656
#15.11
11/30/1982
RPI 632
#6.1
10/13/1982
RPI 625
12/29/1981
RPI 584
#21.1
09/21/1993
RPI 1190
From the same holder
Same category
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