Concessão da patente
#16.1
11/28/1989
RPI 997
Application data
Number
PI8405299Type
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: 11/28/1989. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
G. M. (pessoa física)
US
T. L. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/28/1989
RPI 997
#13.1
10/03/1989
RPI 989
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06/06/1989
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11/22/1988
RPI 944
#4.1
08/18/1987
RPI 878
#3.1
09/03/1985
RPI 776
#2.1
01/02/1985
RPI 741
#21.1
Patente extinta em 19/10/99
07/08/2008
RPI 1957
From the same holder
Same category
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