Concessão da patente
#16.1
08/27/1985
RPI 775
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: 08/27/1985. We update with every new RPI gazette, published weekly.
Applicants
W. S. (pessoa física)
SP, BR
Inventors
S. W. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/27/1985
RPI 775
#13.1
04/09/1985
RPI 755
#9.1
12/04/1984
RPI 737
#15.11
09/25/1984
RPI 727
#6.1
04/24/1984
RPI 705
#4.1
09/20/1983
RPI 674
#21.1
12/07/1993
RPI 1201
From the same holder
Same category
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