Concessão da patente
#16.1
07/26/1988
RPI 927
The letters patent expired on 06/21/1994: 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: 07/26/1988. We update with every new RPI gazette, published weekly.
Applicants
MINNESOTA MINING & MFG
Inventors
O. P. (pessoa física)
S. G. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
07/26/1988
RPI 927
#13.1
05/10/1988
RPI 916
#9.1
12/29/1987
RPI 897
#6.1
03/08/1983
RPI 646
#4.1
10/13/1981
RPI 573
#21.1
06/21/1994
RPI 1229
From the same holder
Same category
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