Pedido de patente depositado
#2.1
07/04/1989
RPI 976
Application data
Number
PI8902392Type
Filing
Publication
The letters patent expired on 12/22/2009: 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: 07/04/1989. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
D. M. (pessoa física)
US
R. G. (pessoa física)
US
R. L. (pessoa física)
US
S. K. (pessoa física)
US
T. W. (pessoa física)
US
IPC Classification
Priority claims
US
196.181 · 05/25/1988
US
250.182 · 09/29/1988
Publications in the Brazilian Industrial Property Gazette (RPI).
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Procedimento automático de reclassificação. A classificação IPC anterior era C09J 7/02.
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