Concessão da patente
#16.1
09/27/1988
RPI 936
Application data
Number
PI8207112Type
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: 09/27/1988. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
P. E. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/27/1988
RPI 936
#13.1
07/19/1988
RPI 926
#9.1
03/15/1988
RPI 908
#6.1
04/14/1987
RPI 860
#4.1
01/28/1986
RPI 797
#3.1
10/11/1983
RPI 677
#2.1
02/01/1983
RPI 641
#21.1
Patente extinta em 08/12/97
07/01/2008
RPI 1956
From the same holder
Same category
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