Solicitação de exame técnico
#4.1
10/17/1989
RPI 991
Application data
Number
PI8604749Type
Filing
Publication
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: 10/17/1989. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
B. H. (pessoa física)
US
G. H. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
10/17/1989
RPI 991
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06/30/1987
RPI 871
#2.1
04/07/1987
RPI 859
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Patente extinta em 01/10/2001
07/22/2008
RPI 1959
#16.1
11/27/1990
RPI 1043
#13.1
09/04/1990
RPI 1031
#9.1
05/29/1990
RPI 1020
From the same holder
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