Carta-patente expirada
#21.1
Patente extinta em 01/07/2003
09/02/2008
RPI 1965
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Official data from INPI
SISTEMA PARA TRANSPORTE E PARA PURIFICAÇÃO DO AR
Arquivada/ExtintaInvention PatentPCT · SE1988000365
Application data
Number
PI8807595Type
Invention Patent
Filing
07/01/1988
Publication
05/08/1990
PCT
SE1988000365 Progress at the INPI
- Filing07/01/88
- Publication05/08/90
- Examination03/26/91
- Allowance04/05/94
- Grant11/29/94
- 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: 09/02/2008. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Astra-Vent Ab
SE
Inventors
A. L. (pessoa física)
SE
V. T. (pessoa física)
SE
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Concessão da patente
#16.1
11/29/1994
RPI 1252
Notificação para pagamento de retribuição
#13.1
08/02/1994
RPI 1235
Deferimento
#9.1
04/05/1994
RPI 1218
Solicitação de exame técnico
#4.1
03/26/1991
RPI 1060
Notificação de entrada na fase nacional - PCT
#1.3
05/08/1990
RPI 1017
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