6.2
09/15/1987
RPI 882
Application data
Number
PI8400258Type
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: 09/15/1987. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
R. S. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
09/15/1987
RPI 882
#4.1
08/05/1986
RPI 824
#3.1
08/28/1984
RPI 723
#2.1
04/10/1984
RPI 703
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: H05K 1/11; H05K 3/10; H01R 9/09.
03/27/2018
RPI 2464
#21.1
Patente extinta em 23/01/99
07/08/2008
RPI 1957
#16.1
05/28/1991
RPI 1069
#13.1
03/12/1991
RPI 1058
#9.1
11/27/1990
RPI 1043
#6.1
05/15/1990
RPI 1018
From the same holder
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