Solicitação de exame técnico
#4.1
08/08/1989
RPI 981
Application data
Number
PI8606977Type
Filing
Publication
PCT
US1986002442 The letters patent expired on 07/22/2008: 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: 08/08/1989. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
H. A. (pessoa física)
US
T. B. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
08/08/1989
RPI 981
#1.3
11/03/1987
RPI 889
#21.1
Patente extinta em 12/11/2001
07/22/2008
RPI 1959
#16.1
12/31/1996
RPI 1361
#9.1
03/19/1996
RPI 1320
#6.1
02/07/1995
RPI 1262
#6.1
09/14/1993
RPI 1189
From the same holder
Same category
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