Concessão da patente
#16.1
02/03/1987
RPI 850
Application data
Number
PI8008027Type
Filing
Publication
The letters patent expired on 03/19/1996: 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: 02/03/1987. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
B. H. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
02/03/1987
RPI 850
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11/04/1986
RPI 837
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07/08/1986
RPI 820
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04/16/1985
RPI 756
#4.1
09/04/1984
RPI 724
#3.1
08/03/1982
RPI 615
#21.1
03/19/1996
RPI 1320
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