Concessão da patente
#16.1
12/31/1985
RPI 793
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: 12/31/1985. We update with every new RPI gazette, published weekly.
Applicants
E. C. (pessoa física)
Inventors
C. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/31/1985
RPI 793
#13.1
08/27/1985
RPI 775
#9.1
05/07/1985
RPI 759
#4.1
08/07/1984
RPI 720
#3.2
09/20/1983
RPI 674
#2.1
05/24/1983
RPI 657
#21.1
12/07/1993
RPI 1201
#20.1
08/07/1990
RPI 1027
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Same category
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