Exigência - art. 36 da LPI
#6.1
12/12/1989
RPI 999
Application data
Number
PI8307674Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 12/12/1989. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
G. N. (pessoa física)
US
J. H. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#6.1
12/12/1989
RPI 999
#6.1
03/28/1989
RPI 962
#4.1
06/16/1987
RPI 869
#1.3
12/11/1984
RPI 738
#21.1
Patente extinta em 09/12/98
07/01/2008
RPI 1956
#16.1
11/27/1990
RPI 1043
#13.1
09/25/1990
RPI 1034
#9.1
06/12/1990
RPI 1022
From the same holder
Same category
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