Solicitação de exame técnico
#4.1
02/09/1988
RPI 903
Application data
Number
PI8506755Type
Filing
Publication
PCT
US1985001010 The letters patent expired on 07/15/2008: 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: 02/09/1988. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
M. F. (pessoa física)
US
M. S. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
02/09/1988
RPI 903
#1.3
09/23/1986
RPI 831
#21.1
Patente extinta em 29/05/2000
07/15/2008
RPI 1958
#16.1
04/28/1992
RPI 1117
#13.1
12/10/1991
RPI 1097
#9.1
08/13/1991
RPI 1080
#15.11
07/16/1991
RPI 1076
#6.1
02/19/1991
RPI 1055
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