Publicação do pedido de patente
#3.1
05/02/1989
RPI 967
Application data
Number
PI8804926Type
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: 05/02/1989. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
D. B. (pessoa física)
US
D. M. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
05/02/1989
RPI 967
#2.1
02/08/1989
RPI 955
#21.1
Patente extinta em 23/09/2008
12/18/2012
RPI 2189
#16.1
08/25/1998
RPI 1444
#9.1
11/25/1997
RPI 1408
#6.1
02/04/1997
RPI 1366
#15.11
11/05/1996
RPI 1353
03/19/1996
RPI 1320
#4.1
06/11/1991
RPI 1071
From the same holder
Same category
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