Concessão da patente
#16.1
03/27/1984
RPI 701
The letters patent expired on 06/13/1995: 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: 03/27/1984. We update with every new RPI gazette, published weekly.
Applicants
MINNESOTA MINING & MFG
Inventors
B. J. (pessoa física)
S. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/27/1984
RPI 701
#13.1
12/27/1983
RPI 688
#9.1
09/06/1983
RPI 672
#4.1
03/01/1983
RPI 645
#21.1
06/13/1995
RPI 1280
From the same holder
Same category
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