Concessão da patente
#16.1
02/26/1985
RPI 749
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: 02/26/1985. We update with every new RPI gazette, published weekly.
Applicants
R. N. (pessoa física)
Inventors
R. N. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
02/26/1985
RPI 749
10/30/1984
RPI 732
05/22/1984
RPI 709
#12.2
01/03/1984
RPI 689
#9.2
09/20/1983
RPI 674
#4.1
03/08/1983
RPI 646
#21.1
12/07/1993
RPI 1201
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Same category
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