Solicitação de exame técnico
#4.1
09/27/1988
RPI 936
Application data
Number
PI8706587Type
Filing
Publication
The letters patent expired on 08/26/2008: 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
B. T. (pessoa física)
US
D. P. (pessoa física)
US
P. L. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
09/27/1988
RPI 936
#3.1
07/26/1988
RPI 927
#2.1
03/29/1988
RPI 910
#21.1
Patente extinta em 07/12/2007
08/26/2008
RPI 1964
#16.1
08/26/1997
RPI 1395
#13.1
05/06/1997
RPI 1379
#9.1
12/31/1996
RPI 1361
#7.1
04/05/1994
RPI 1218
From the same holder
Same category
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