Deferimento
#9.1
08/15/1989
RPI 982
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Official data from INPI
COMPOSIÇÃO DE MISTURA DE POLÍMERO DE TERMO-FORMAÇÃO
DeferidaInvention Patent
Application data
Number
PI8103628Type
Invention Patent
Filing
06/09/1981
Publication
03/02/1982
Progress at the INPI
- Filing06/09/81
- Publication03/02/82
- Examination11/16/83
- Allowance08/15/89
- Grant03/20/90
- Terminated08/30/94
The patent was granted on 03/20/1990 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 08/15/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Sweetheart Plastics, Inc.
US
Inventors
D. S. (pessoa física)
US
J. C. (pessoa física)
US
M. G. (pessoa física)
US
Technical data
IPC Classification
Priority claims
US
158.351 · 06/11/1980
US
225.674 · 01/16/1981
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Exigência - art. 36 da LPI
#6.1
01/31/1989
RPI 954
Exigência - art. 36 da LPI
#6.1
08/16/1988
RPI 930
Conhecimento de parecer técnico
#7.1
07/31/1984
RPI 719
Solicitação de exame técnico
#4.1
11/16/1983
RPI 682
Publicação do pedido de patente
#3.1
03/02/1982
RPI 593
Anuidade - prazo legal encerrado
#18.2
08/30/1994
RPI 1239
Concessão da patente
#16.1
03/20/1990
RPI 1010
Notificação para pagamento de retribuição
#13.1
01/02/1990
RPI 1000
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