Pedido de patente depositado
#2.1
07/04/1989
RPI 976
Application data
Number
PI8902175Type
Filing
Publication
The letters patent expired on 05/21/2013: 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: 07/04/1989. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
G. W. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
07/04/1989
RPI 976
#21.1
Patente extinta em 09/05/2009
05/21/2013
RPI 2211
#16.1
08/26/1997
RPI 1395
#9.1
11/12/1996
RPI 1354
#15.11
09/17/1996
RPI 1346
#6.1
03/19/1996
RPI 1320
#4.1
02/25/1992
RPI 1108
#3.1
01/02/1990
RPI 1000
From the same holder
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