Pedido de patente depositado
#2.1
02/21/1989
RPI 957
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Application data
Number
PI8805189Type
Invention Patent
Filing
10/07/1988
Publication
05/22/1990
Progress at the INPI
- Filing10/07/88
- Publication05/22/90
- Examination12/04/90
- Allowance04/04/95
- Grant12/26/95
- Expired09/02/08
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: 02/21/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Hennigsdorfer Stahl Engineering GMBH
DE
V. W. (pessoa física)
DE
Inventors
F. T. (pessoa física)
DE
G. L. (pessoa física)
DE
W. S. (pessoa física)
DE
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Carta-patente expirada
#21.1
Patente extinta em 07/10/2003
09/02/2008
RPI 1965
Transferência deferida
#25.1
12/30/1997
RPI 1410
Concessão da patente
#16.1
12/26/1995
RPI 1308
Notificação para pagamento de retribuição
#13.1
09/05/1995
RPI 1292
Deferimento
#9.1
04/04/1995
RPI 1270
14.4
03/30/1993
RPI 1165
Solicitação de exame técnico
#4.1
12/04/1990
RPI 1044
Publicação do pedido de patente
#3.1
05/22/1990
RPI 1019
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