Concessão da patente
#16.1
09/26/1989
RPI 988
Application data
Number
PI8400502Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 09/26/1989. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
B. O. (pessoa física)
US
E. H. (pessoa física)
US
F. B. (pessoa física)
US
T. B. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/26/1989
RPI 988
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05/30/1989
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01/10/1989
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09/27/1988
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#6.1
08/30/1988
RPI 932
#4.1
10/29/1986
RPI 836
#3.1
09/11/1984
RPI 725
#2.1
04/24/1984
RPI 705
#21.1
Patente extinta em 06/02/99
07/08/2008
RPI 1957
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Same category
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