Concessão da patente
#16.1
07/25/1989
RPI 979
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Official data from INPI
SISTEMA DE CONVERSÃO ANALÓGICO/DIGITAL.
ConcedidaInvention Patent
Application data
Number
PI8302311Type
Invention Patent
Filing
05/04/1983
Publication
01/03/1984
Progress at the INPI
- Filing05/04/83
- Publication01/03/84
- Examination05/13/86
- Allowance09/13/88
- Grant07/25/89
- Terminated04/25/95
The patent was granted on 07/25/1989 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: 07/25/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
D. C. (pessoa física)
US
Inventors
G. J. (pessoa física)
Technical data
IPC Classification
No IPC classification.
Priority claims
US
375,037 · 05/05/1982
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
01/03/1989
RPI 950
Deferimento
#9.1
09/13/1988
RPI 934
Exigência - art. 36 da LPI
#6.1
03/15/1988
RPI 908
Exigência - art. 36 da LPI
#6.1
06/30/1987
RPI 871
Notificação para pagamento de retribuição
#13.1
08/19/1986
RPI 826
Solicitação de exame técnico
#4.1
05/13/1986
RPI 812
Publicação do pedido de patente
#3.1
01/03/1984
RPI 689
Pedido de patente depositado
#2.1
06/21/1983
RPI 661
Anuidade - prazo legal encerrado
#18.2
04/25/1995
RPI 1273
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