20.4
08/29/1989
RPI 984
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: 08/29/1989. We update with every new RPI gazette, published weekly.
Applicants
MERCANTIL MAUA S A [BR]
Inventors
B. G. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
08/29/1989
RPI 984
#16.1
02/03/1987
RPI 850
#13.1
09/23/1986
RPI 831
#9.1
05/27/1986
RPI 814
#6.1
10/08/1985
RPI 781
#4.1
02/12/1985
RPI 747
#3.1
08/23/1983
RPI 670
#21.1
12/07/1993
RPI 1201
From the same holder
Same category
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