Carta-patente expirada
#21.1
Patente extinta em 28/03/2003
09/02/2008
RPI 1965
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Official data from INPI
COMPOSIÇÃO TERMOPLÁSTICA À BASE DE COPOLIMERO DE ETILENO, E, ARTIGO CONFORMADO
Arquivada/ExtintaInvention PatentPCT · US1988001039
Application data
Number
PI8807434Type
Invention Patent
Filing
03/28/1988
Publication
05/22/1990
PCT
US1988001039 Progress at the INPI
- Filing03/28/88
- Publication05/22/90
- Examination05/28/91
- Allowance10/03/95
- Grant04/30/96
- 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
DIS
US
T. C. (pessoa física)
US
Inventors
D. C. (pessoa física)
US
J. J. (pessoa física)
US
L. J. (pessoa física)
US
Technical data
IPC Classification
Priority claims
US
032,641 · 03/31/1987
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Concessão da patente
#16.1
04/30/1996
RPI 1326
Deferimento
#9.1
10/03/1995
RPI 1296
Exigência - art. 36 da LPI
#6.1
02/07/1995
RPI 1262
Solicitação de exame técnico
#4.1
05/28/1991
RPI 1069
14.1
10/09/1990
RPI 1036
14.1
10/02/1990
RPI 1035
Notificação de entrada na fase nacional - PCT
#1.3
05/22/1990
RPI 1019
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