Concessão da patente
#16.1
10/25/1988
RPI 940
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Official data from INPI
COMPOSIÇÃO DE CIMENTO E MÉTODO DE INIBIR EXPANSÃO ÚMIDA
ConcedidaInvention Patent
Application data
Number
PI8202683Type
Invention Patent
Filing
05/10/1982
Publication
04/19/1983
Progress at the INPI
- Filing05/10/82
- Publication04/19/83
- Examination08/30/83
- Allowance05/10/88
- Grant10/25/88
- Terminated11/29/94
The patent was granted on 10/25/1988 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: 10/25/1988. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
International Construction Products Research Inc.
US
Inventors
W. B. (pessoa física)
US
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
09/06/1988
RPI 933
Deferimento
#9.1
05/10/1988
RPI 916
Republicação - classificação IPC
#15.11
05/21/1985
RPI 761
Exigência - art. 36 da LPI
#6.1
12/11/1984
RPI 738
Solicitação de exame técnico
#4.1
08/30/1983
RPI 671
Publicação do pedido de patente
#3.1
04/19/1983
RPI 652
Pedido de patente depositado
#2.1
06/22/1982
RPI 609
Anuidade - prazo legal encerrado
#18.2
11/29/1994
RPI 1252
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