Concessão da patente
#16.1
12/30/1986
RPI 845
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Official data from INPI
Codificador interpolador para aparelho de circuito de processamento de audio para linha de assinante.
ConcedidaInvention Patent
Application data
Number
PI8009086Type
Invention Patent
Filing
06/18/1980
Publication
05/11/1982
Progress at the INPI
- Filing06/18/80
- Publication05/11/82
- Examination12/20/83
- Allowance05/27/86
- Grant12/30/86
- Expired09/26/95
The letters patent expired on 09/26/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 12/30/1986. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Advanced Micro Devices. INC.
US
Inventors
A. R. (pessoa física)
Technical data
IPC Classification
No IPC classification.
Priority claims
US
PCT/80/00752 · 06/18/1980
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
300
12/16/1986
RPI 843
Notificação para pagamento de retribuição
#13.1
09/23/1986
RPI 831
Deferimento
#9.1
05/27/1986
RPI 814
Exigência - art. 36 da LPI
#6.1
08/13/1985
RPI 773
Exigência - art. 36 da LPI
#6.1
08/07/1984
RPI 720
Solicitação de exame técnico
#4.1
12/20/1983
RPI 687
Notificação de entrada na fase nacional - PCT
#1.3
05/11/1982
RPI 603
Carta-patente expirada
#21.1
09/26/1995
RPI 1295
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