Concessão da patente
#16.1
09/27/1988
RPI 936
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Official data from INPI
SISTEMA DE ÁUDIO DE CONVERSÃO DE ANALÓGICO EM DIGITAL QUE RECEBE SINAIS DE ÁUDIO DE ENTRADA ANALÓGICOS.
ConcedidaInvention Patent
Application data
Number
PI8304852Type
Invention Patent
Filing
09/06/1983
Publication
04/24/1984
Progress at the INPI
- Filing09/06/83
- Publication04/24/84
- Examination07/29/86
- Allowance04/12/88
- Grant09/27/88
- Terminated05/02/95
The patent was granted on 09/27/1988 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: 09/27/1988. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
D. C. (pessoa física)
US
Inventors
E. B. (pessoa física)
Technical data
IPC Classification
No IPC classification.
Priority claims
US
415,028 · 09/07/1982
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
07/26/1988
RPI 927
Deferimento
#9.1
04/12/1988
RPI 912
Exigência - art. 36 da LPI
#6.1
11/17/1987
RPI 891
Solicitação de exame técnico
#4.1
07/29/1986
RPI 823
Publicação do pedido de patente
#3.1
04/24/1984
RPI 705
Pedido de patente depositado
#2.1
11/08/1983
RPI 681
Anuidade - prazo legal encerrado
#18.2
05/02/1995
RPI 1274
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