Publicação do pedido de patente
#3.1
08/22/1989
RPI 983
Application data
Number
PI8806376Type
Filing
Publication
The letters patent expired on 09/02/2008: 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: 08/22/1989. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
A. Z. (pessoa física)
US
L. W. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
08/22/1989
RPI 983
#2.1
04/11/1989
RPI 964
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era A41B 13/02.
03/27/2018
RPI 2464
#21.1
Patente extinta em 02/12/2003
09/02/2008
RPI 1965
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10/25/1994
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08/09/1994
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04/12/1994
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07/27/1993
RPI 1182
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07/16/1991
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