Pedido de patente depositado
#2.1
10/31/1989
RPI 993
Application data
Number
PI8903895Type
Filing
Publication
The letters patent expired on 12/22/2009: 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: 10/31/1989. We update with every new RPI gazette, published weekly.
Applicants
FGVTN Brasil Ltda
PR, BR
FGVTN Brasil S/A
PR, BR
Técnica Nacional Ltda
PR, BR
TN Metal Ind. e Com. de Prod. Metalurgicos Ltda
PR, BR
TN Metal Indústria e Comércio de Produtos Metalúrgicos S/A
PR, BR
Inventors
I. B. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
10/31/1989
RPI 993
#21.1
Patente extinta em 28/07/2004
12/22/2009
RPI 2033
#25.4
Alterado de: FGVTN Brasil S/A
10/16/2001
RPI 1606
#25.4
Alterado de: TN Metal Indústria e Comércio de Produtos Metalúrgicos S/A
09/18/2001
RPI 1602
#25.4
Alterado de: TN Metal Indústria e Comércio de Produtos Metalúrgicos Ltda
08/14/2001
RPI 1597
#25.1
Transferido de: Técnica Nacional Ltda.
07/24/2001
RPI 1594
#16.1
03/28/1995
RPI 1269
#13.1
11/01/1994
RPI 1248
#9.1
06/28/1994
RPI 1230
#4.1
06/11/1991
RPI 1071
#3.1
02/05/1991
RPI 1053
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