Publicação do pedido de patente
#3.1
09/19/1989
RPI 987
Application data
Number
PI8900286Type
Filing
Publication
The letters patent expired on 12/18/2012: 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: 09/19/1989. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
J. R. (pessoa física)
US
M. E. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
09/19/1989
RPI 987
#2.1
03/07/1989
RPI 959
#21.1
Patente extinta em 24/01/2009
12/18/2012
RPI 2189
#16.1
07/28/1998
RPI 1440
09/09/1997
RPI 1397
#15.11
09/02/1997
RPI 1396
#9.1
08/05/1997
RPI 1392
#6.1
04/23/1996
RPI 1325
#4.1
10/29/1991
RPI 1091
From the same holder
Same category
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