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Official data from INPI

UM CIRCUITO DIGITAL DE SUPERVISAO PARA UM SISTEMA TELEFONICO

ConcedidaInvention Patent

Application data

Number

PI8302051

Type

Invention Patent

Filing

04/26/1982

Publication

12/27/1983

Progress at the INPI

  1. Filing04/26/82
  2. Publication12/27/83
  3. Examination01/29/85
  4. Allowance07/14/87
  5. Grant05/31/88
  6. Terminated04/25/95

The patent was granted on 05/31/1988 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

INT STANDARD ELECTRIC CORP [US]

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Inventors

C. T. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1988

RPI 919

14.1

12/15/1987

RPI 895

Notificação para pagamento de retribuição

#13.1

11/10/1987

RPI 890

Deferimento

#9.1

07/14/1987

RPI 873

Exigência - art. 36 da LPI

#6.1

03/25/1986

RPI 805

Solicitação de exame técnico

#4.1

01/29/1985

RPI 745

Publicação do pedido de patente

#3.1

12/27/1983

RPI 688

Pedido de patente depositado

#2.1

06/07/1983

RPI 659

Anuidade - prazo legal encerrado

#18.2

04/25/1995

RPI 1273

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