Concessão da patente
#16.1
11/29/1983
RPI 684
The letters patent expired on 07/06/1993: 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: 11/29/1983. We update with every new RPI gazette, published weekly.
Applicants
MINNESOTA MINING & MFG
Inventors
D. J. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/29/1983
RPI 684
#13.1
09/06/1983
RPI 672
#9.1
04/19/1983
RPI 652
#6.1
08/24/1982
RPI 618
#6.1
11/24/1981
RPI 579
#21.1
07/06/1993
RPI 1179
From the same holder
Same category
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