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Official data from INPI

SISTEMA DE INSTRUMENTAÇÃO DE CAMPO UTILIZANDO TRANSMISSÃO ÓTICA.

ConcedidaInvention Patent

Application data

Number

PI8306234

Type

Invention Patent

Filing

11/11/1983

Publication

07/31/1984

Progress at the INPI

  1. Filing11/11/83
  2. Publication07/31/84
  3. Examination05/06/86
  4. Allowance12/06/88
  5. Grant08/29/89
  6. Expired07/01/08

The letters patent expired on 07/01/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Fuji Electric Co., Ltd.

JP

See this company's full portfolio

Inventors

E. N. (pessoa física)

JP

T. Y. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

199556/82 · 11/12/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

04/25/1989

RPI 966

Deferimento

#9.1

12/06/1988

RPI 946

102

07/12/1988

RPI 925

Pedido de recurso

#12.3

03/29/1988

RPI 910

11.3

10/27/1987

RPI 888

Exigência - art. 36 da LPI

#6.1

03/24/1987

RPI 857

Solicitação de exame técnico

#4.1

05/06/1986

RPI 811

Publicação do pedido de patente

#3.1

07/31/1984

RPI 719

Pedido de patente depositado

#2.1

01/24/1984

RPI 692

Carta-patente expirada

#21.1

Patente extinta em 11/11/98

07/01/2008

RPI 1956

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