Concessão da patente
#16.1
05/31/1983
RPI 658
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: 05/31/1983. We update with every new RPI gazette, published weekly.
Applicants
I. M. (pessoa física)
Inventors
M. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
05/31/1983
RPI 658
#13.1
01/11/1983
RPI 638
#9.1
08/24/1982
RPI 618
#6.1
12/29/1981
RPI 584
#21.1
12/07/1993
RPI 1201
Same category
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