Carta-patente expirada
#21.1
Patente extinta em 19/05/2003
09/02/2008
RPI 1965
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Official data from INPI
PROCESSO PARA CURA RÁPIDA DE ESPUMA DE POLIURETANO DERIVADO DE POLIÉTER, FLEXÍVEL
Arquivada/ExtintaInvention PatentPCT · US1988001729
Application data
Number
PI8807512Type
Invention Patent
Filing
05/19/1988
Publication
03/27/1990
PCT
US1988001729 Progress at the INPI
- Filing05/19/88
- Publication03/27/90
- Examination03/19/91
- Allowance03/12/96
- Grant10/29/96
- 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
F. L. (pessoa física)
US
Reeves Brothers, Inc.
US
Inventors
F. T. (pessoa física)
US
G. H. (pessoa física)
US
M. R. (pessoa física)
US
R. M. (pessoa física)
US
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Concessão da patente
#16.1
10/29/1996
RPI 1352
Deferimento
#9.1
03/12/1996
RPI 1319
Exigência - art. 36 da LPI
#6.1
02/21/1995
RPI 1264
14.11
08/31/1993
RPI 1187
14.1
04/13/1993
RPI 1167
Solicitação de exame técnico
#4.1
03/19/1991
RPI 1059
Notificação de entrada na fase nacional - PCT
#1.3
03/27/1990
RPI 1011
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