Concessão da patente
#16.1
05/27/1986
RPI 814
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: 05/27/1986. We update with every new RPI gazette, published weekly.
Applicants
C. S. (pessoa física)
BA, BR
Inventors
B. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
05/27/1986
RPI 814
#13.1
12/24/1985
RPI 792
#9.1
08/20/1985
RPI 774
#4.1
01/08/1985
RPI 742
#3.1
09/18/1984
RPI 726
#2.1
04/19/1983
RPI 652
#21.1
12/07/1993
RPI 1201
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Same category
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