Concessão da patente
#16.1
06/24/1986
RPI 818
Application data
Number
PI8102630Type
Filing
Publication
The letters patent expired on 10/01/1996: 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: 06/24/1986. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining And Manufacturing Company
US
Inventors
I. J. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
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RPI 818
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Procedimento automático de reclassificação. As classificações IPC anteriores eram: G03C 1/56; G03F 7/08.
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