Publicação do pedido de patente
#3.1
10/17/1989
RPI 991
Application data
Number
PI8900822Type
Filing
Publication
The letters patent expired on 12/15/2009: 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: 10/17/1989. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
C. C. (pessoa física)
US
G. F. (pessoa física)
US
M. F. (pessoa física)
US
R. R. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
10/17/1989
RPI 991
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Procedimento automático de reclassificação. A classificação IPC anterior era C09J 7/02.
03/27/2018
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#21.1
Patente extinta em 23/02/2004
12/15/2009
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12/31/1996
RPI 1361
#9.1
03/19/1996
RPI 1320
#6.1
09/13/1994
RPI 1241
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10/22/1991
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