Carta-patente expirada
#21.1
Patente extinta em 10/10/2004
12/29/2009
RPI 2034
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Official data from INPI
SISTEMA MAGNÉTICO DE DESLIGAMENTO RÁPIDO
Arquivada/ExtintaInvention Patent
Application data
Number
PI8905198Type
Invention Patent
Filing
10/10/1989
Publication
05/15/1990
Progress at the INPI
- Filing10/10/89
- Publication05/15/90
- Examination10/23/90
- Allowance11/29/94
- Grant07/25/95
- Expired12/29/09
The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Felten & Guilleaume Energietechnik Ag
DE
Inventors
J. B. (pessoa física)
DE
W. N. (pessoa física)
DE
Technical data
IPC Classification
Priority claims
DE
P 38 38 444.2 · 11/12/1988
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Concessão da patente
#16.1
07/25/1995
RPI 1286
Notificação para pagamento de retribuição
#13.1
04/04/1995
RPI 1270
Deferimento
#9.1
11/29/1994
RPI 1252
Solicitação de exame técnico
#4.1
10/23/1990
RPI 1038
Publicação do pedido de patente
#3.1
05/15/1990
RPI 1018
Pedido de patente depositado
#2.1
03/01/1990
RPI 1007
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