Exigência - art. 36 da LPI
#6.1
11/16/1988
RPI 943
Application data
Number
PI8404323Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 11/16/1988. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
R. O. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#6.1
11/16/1988
RPI 943
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08/18/1987
RPI 878
#3.1
07/30/1985
RPI 771
#2.1
11/06/1984
RPI 733
#21.1
Patente extinta em 30/08/99
07/08/2008
RPI 1957
#16.1
03/20/1990
RPI 1010
#13.1
01/02/1990
RPI 1000
From the same holder
Same category
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