Concessão da patente
#16.1
02/22/1983
RPI 644
The letters patent expired on 04/18/1995: 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: 02/22/1983. We update with every new RPI gazette, published weekly.
Applicants
I. F. (pessoa física)
Inventors
M. H. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
02/22/1983
RPI 644
#9.1
08/10/1982
RPI 616
#4.1
10/20/1981
RPI 574
#21.1
04/18/1995
RPI 1272
From the same holder
Same category
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