Notificação de entrada na fase nacional - PCT
#1.3
02/21/1989
RPI 957
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Official data from INPI
PROCESSO PARA PREPARAR UMA COMPOSIÇÃO TERMOPLÁSTICA FLEXIVEL MULTIFÁSICA PARCIALMENTE ENXERTADA
Arquivada/ExtintaInvention PatentPCT · US1987002921
Application data
Number
PI8707531Type
Invention Patent
Filing
11/13/1987
Publication
02/21/1989
PCT
US1987002921 Progress at the INPI
- Filing11/13/87
- Publication02/21/89
- Examination07/31/90
- Allowance12/12/95
- Grant11/26/96
- Expired07/29/08
The letters patent expired on 07/29/2008: 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
No applicants.
Inventors
R. S. (pessoa física)
US
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Carta-patente expirada
#21.1
Patente extinta em 13/11/2002
07/29/2008
RPI 1960
Concessão da patente
#16.1
11/26/1996
RPI 1356
Notificação para pagamento de retribuição
#13.1
06/25/1996
RPI 1334
Deferimento
#9.1
12/12/1995
RPI 1306
Exigência - art. 36 da LPI
#6.1
02/07/1995
RPI 1262
Exigência - art. 36 da LPI
#6.1
02/22/1994
RPI 1212
15.9
07/31/1990
RPI 1026
Solicitação de exame técnico
#4.1
07/31/1990
RPI 1026
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