Solicitação de exame técnico
#4.1
11/01/1988
RPI 941
Application data
Number
PI8606706Type
Filing
Publication
PCT
US1986001122 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: 11/01/1988. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
C. C. (pessoa física)
US
G. V. (pessoa física)
US
J. M. (pessoa física)
US
P. Z. (pessoa física)
US
IPC Classification
Priority claims
US
740.577 · 06/03/1985
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
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Procedimento automático de reclassificação. As classificações IPC anteriores eram: C03C 17/00; C03C 11/00; C09J 7/02.
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