Concessão da patente
#16.1
11/30/1982
RPI 632
The letters patent expired on 05/24/1994: 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: 11/30/1982. We update with every new RPI gazette, published weekly.
Applicants
R. T. (pessoa física)
Inventors
A. S. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/30/1982
RPI 632
#13.1
07/20/1982
RPI 613
#9.1
03/30/1982
RPI 597
#6.1
11/03/1981
RPI 576
#21.1
05/24/1994
RPI 1225
From the same holder
Same category
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