Publicação do pedido de patente
#3.1
02/17/1988
RPI 904
Application data
Number
PI8702308Type
Filing
Publication
The letters patent expired on 07/29/2008: 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: 02/17/1988. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
A. S. (pessoa física)
US
IPC Classification
Priority claims
US
860557 · 05/07/1986
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
02/17/1988
RPI 904
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era C09J 3/14.
03/27/2018
RPI 2464
#21.1
Patente extinta em 06/05/2002
07/29/2008
RPI 1960
#16.1
10/29/1996
RPI 1352
#9.1
03/12/1996
RPI 1319
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02/21/1995
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