Publicação do pedido de patente
#3.1
11/07/1989
RPI 994
Application data
Number
PI8801627Type
Filing
Publication
The letters patent expired on 12/11/2012: 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: 11/07/1989. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
G. T. (pessoa física)
US
K. M. (pessoa física)
US
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
11/07/1989
RPI 994
#2.1
08/02/1988
RPI 928
#21.1
Patente extinta em 19/10/2009
12/11/2012
RPI 2188
#16.1
10/19/1999
RPI 1502
#9.1
11/03/1998
RPI 1452
#6.1
05/26/1998
RPI 1431
#4.1
09/10/1991
RPI 1084
From the same holder
Same category
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