Concessão da patente
#16.1
05/31/1988
RPI 919
The letters patent expired on 04/25/1995: 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: 05/31/1988. We update with every new RPI gazette, published weekly.
Applicants
MINNESOTA MINING & MFG
Inventors
P. R. (pessoa física)
V. J. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
05/31/1988
RPI 919
#13.1
02/09/1988
RPI 903
#9.1
10/13/1987
RPI 886
#6.1
03/10/1987
RPI 855
#7.1
05/31/1983
RPI 658
#4.1
06/15/1982
RPI 608
#21.1
04/25/1995
RPI 1273
From the same holder
Same category
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