16.4
06/19/1984
RPI 713
The letters patent expired on 11/30/1993: 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: 06/19/1984. We update with every new RPI gazette, published weekly.
Applicants
N. M. (pessoa física)
Inventors
F. T. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
06/19/1984
RPI 713
#16.1
03/27/1984
RPI 701
#13.1
12/13/1983
RPI 686
#9.1
08/23/1983
RPI 670
#15.11
11/30/1982
RPI 632
#6.1
10/19/1982
RPI 626
01/26/1982
RPI 588
#21.1
11/30/1993
RPI 1200
From the same holder
Same category
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