Concessão da patente
#16.1
10/25/1983
RPI 679
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: 10/25/1983. We update with every new RPI gazette, published weekly.
Applicants
S. D. (pessoa física)
Inventors
E. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/25/1983
RPI 679
#13.1
09/20/1983
RPI 674
#9.1
04/26/1983
RPI 653
04/05/1983
RPI 650
#6.1
08/03/1982
RPI 615
#21.1
12/07/1993
RPI 1201
From the same holder
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