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Official data from INPI

SISTEMA DE TRANSMISSÃO DE SINAL

Em AnáliseInvention Patent

Application data

Number

PI8500242

Type

Invention Patent

Filing

01/18/1985

Publication

08/27/1985

Progress at the INPI

  1. Filing01/18/85
  2. Publication08/27/85
  3. Examination04/22/87
  4. Allowance10/30/90
  5. Grant02/26/91
  6. Terminated07/25/95

The patent was granted on 02/26/1991 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: 04/22/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Sumitomo Electric Industries, Ltd.

JP

See this company's full portfolio

Inventors

K. K. (pessoa física)

JP

S. I. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

008224/1984 · 01/19/1984

JP

042780/1984 · 03/05/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

04/22/1987

RPI 861

Publicação do pedido de patente

#3.1

08/27/1985

RPI 775

Pedido de patente depositado

#2.1

04/16/1985

RPI 756

Anuidade - prazo legal encerrado

#18.2

07/25/1995

RPI 1286

Republicação - classificação IPC

#15.11

05/14/1991

RPI 1067

Concessão da patente

#16.1

02/26/1991

RPI 1056

100

10/30/1990

RPI 1039

Petição de recurso

#12.2

06/19/1990

RPI 1023

Indeferimento

#9.2

03/06/1990

RPI 1008

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