Publicação do pedido de patente
#3.1
07/12/1988
RPI 925
Application data
Number
PI8706428Type
Filing
Publication
The letters patent expired on 08/26/2008: 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: 07/12/1988. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
S. K. (pessoa física)
US
IPC Classification
Priority claims
US
936,820 · 11/28/1986
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
07/12/1988
RPI 925
#2.1
03/29/1988
RPI 910
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C09J 3/14; C09J 7/00; C09J 7/02.
03/20/2018
RPI 2463
#21.1
Patente extinta em 27/11/2007
08/26/2008
RPI 1964
#16.2
Referência: RPI 1459 de 22.12.1998 - código 16.3
06/15/1999
RPI 1484
Referência: RPI 1395 de 26/08/1997 - Item: Prazo de validade
12/22/1998
RPI 1459
#16.1
08/26/1997
RPI 1395
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12/10/1996
RPI 1358
#6.1
01/23/1996
RPI 1312
#6.1
02/21/1995
RPI 1264
#4.1
11/06/1990
RPI 1040
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