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Official data from INPI

Circuito de proteção para um transistor de comutação

ConcedidaInvention Patent

Application data

Number

PI8302316

Type

Invention Patent

Filing

05/04/1983

Publication

01/10/1984

Progress at the INPI

  1. Filing05/04/83
  2. Publication01/10/84
  3. Examination02/18/86
  4. Allowance07/12/88
  5. Grant03/28/89
  6. Terminated04/25/95

The patent was granted on 03/28/1989 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 03/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. A. (pessoa física)

DE

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Inventors

B. A. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 32 16 833.0 · 05/05/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/28/1989

RPI 962

Notificação para pagamento de retribuição

#13.1

11/16/1988

RPI 943

Deferimento

#9.1

07/12/1988

RPI 925

6.2

07/28/1987

RPI 875

Concessão da patente

#16.1

05/27/1986

RPI 814

Solicitação de exame técnico

#4.1

02/18/1986

RPI 800

Publicação do pedido de patente

#3.1

01/10/1984

RPI 690

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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