Concessão da patente
#16.1
11/25/1986
RPI 840
The letters patent expired on 09/21/1993: 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: 11/25/1986. We update with every new RPI gazette, published weekly.
Applicants
C. R. (pessoa física)
Inventors
B. W. (pessoa física)
F. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/25/1986
RPI 840
#13.1
09/02/1986
RPI 828
#9.1
04/29/1986
RPI 810
12/31/1985
RPI 793
#6.1
02/20/1985
RPI 748
#21.1
09/21/1993
RPI 1190
From the same holder
Same category
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