6.2
05/30/1989
RPI 971
Application data
Number
PI8502942Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 05/30/1989. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
E. M. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
05/30/1989
RPI 971
#4.1
04/05/1988
RPI 911
#3.1
03/04/1986
RPI 802
#2.1
09/03/1985
RPI 776
#21.1
Patente extinta em 20/06/2000
07/15/2008
RPI 1958
#16.1
08/31/1993
RPI 1187
#13.1
06/08/1993
RPI 1175
#9.1
02/24/1993
RPI 1160
#6.1
03/03/1992
RPI 1109
From the same holder
Same category
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