Pedido de patente depositado
#2.1
04/18/1989
RPI 965
Application data
Number
PI8806588Type
Filing
Publication
The letters patent expired on 05/21/2013: 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: 04/18/1989. We update with every new RPI gazette, published weekly.
Applicants
Curwood, INC
US
Plásticos Polyfilm S/A
SP, BR
Viskase Brasil Embalagens Ltda.
SP, BR
Inventors
F. D. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
04/18/1989
RPI 965
#21.1
Patente extinta em 14/12/2008
05/21/2013
RPI 2211
#25.1
Transferido de: Viskase Brasil Embalagens Ltda.
08/24/2004
RPI 1755
#25.7
Alterada a sede do titular conforme solicitado na petição nº 039016 de 08/07/2004
08/24/2004
RPI 1755
Não conhecida a petição de transferência nº 046911/RJ de 26/08/2002, Art. 219 da LPI.
03/02/2004
RPI 1730
#25.1
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12/18/1990
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07/31/1990
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