Solicitação de exame técnico
#4.1
08/30/1988
RPI 932
Application data
Number
PI8706185Type
Filing
Publication
The letters patent expired on 07/29/2008: 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: 08/30/1988. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining And Manufacturing Company
US
Inventors
J. M. (pessoa física)
US
W. W. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
08/30/1988
RPI 932
#3.1
06/21/1988
RPI 922
#2.1
02/23/1988
RPI 905
#21.1
Patente extinta em 17/11/2002
07/29/2008
RPI 1960
#16.1
09/26/1995
RPI 1295
#9.1
03/14/1995
RPI 1267
#6.1
08/16/1994
RPI 1237
From the same holder
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