Publicação do pedido de patente
#3.1
11/22/1988
RPI 944
Application data
Number
PI8801906Type
Filing
Publication
The letters patent expired on 12/11/2012: 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: 11/22/1988. We update with every new RPI gazette, published weekly.
Applicants
P. C. (pessoa física)
US
Inventors
J. C. (pessoa física)
US
S. N. (pessoa física)
US
IPC Classification
Priority claims
US
042,081 · 04/24/1987
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
11/22/1988
RPI 944
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era B01D 37/09.
03/27/2018
RPI 2464
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Patente extinta em 29/09/2008
12/11/2012
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09/29/1998
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