Concessão da patente
#16.1
10/24/1989
RPI 992
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Official data from INPI
COMPOSIÇÃO ADITIVA DE CIMENTO PARA CONCRETAGEM SUBMARINA
ConcedidaInvention Patent
Application data
Number
PI8400050Type
Invention Patent
Filing
01/06/1984
Publication
08/21/1984
Progress at the INPI
- Filing01/06/84
- Publication08/21/84
- Examination02/05/85
- Allowance05/16/89
- Grant10/24/89
- Terminated12/24/96
The patent was granted on 10/24/1989 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: 10/24/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Daicel Chemical Industries, Ltd.
JP
Inventors
K. T. (pessoa física)
JP
Technical data
IPC Classification
Priority claims
JP
6 895/83 · 01/19/1983
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
09/12/1989
RPI 986
Deferimento
#9.1
05/16/1989
RPI 969
Exigência - art. 36 da LPI
#6.1
01/31/1989
RPI 954
6.2
06/28/1988
RPI 923
Solicitação de exame técnico
#4.1
02/05/1985
RPI 746
Publicação do pedido de patente
#3.1
08/21/1984
RPI 722
Pedido de patente depositado
#2.1
03/20/1984
RPI 700
Republicação - classificação IPC
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era C04B 7/353.
03/27/2018
RPI 2464
Anuidade - prazo legal encerrado
#18.2
12/24/1996
RPI 1360
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