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Official data from INPI

TERMINAL DE RESPOSTA FALADA PARA USO COM UM EXIBIDOR VISUAL CONECTADO A UM SISTEMA DE PROCESSAMENTO DE DADOS

DeferidaInvention Patent

Application data

Number

PI8300251

Type

Invention Patent

Filing

01/19/1983

Publication

10/25/1983

Progress at the INPI

  1. Filing01/19/83
  2. Publication10/25/83
  3. Examination10/29/85
  4. Allowance09/19/89
  5. Grant03/20/90
  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: 09/19/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

I. C. (pessoa física)

US

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Inventors

C. B. (pessoa física)

M. D. (pessoa física)

V. G. (pessoa física)

GB

Y. H. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

82300484.1 · 01/29/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

09/19/1989

RPI 987

Exigência - art. 36 da LPI

#6.1

12/27/1988

RPI 949

6.2

07/28/1987

RPI 875

Solicitação de exame técnico

#4.1

10/29/1985

RPI 784

Publicação do pedido de patente

#3.1

10/25/1983

RPI 679

Pedido de patente depositado

#2.1

03/08/1983

RPI 646

Carta-patente expirada

#21.1

Patente extinta em 19/01/98

07/01/2008

RPI 1956

Concessão da patente

#16.1

03/20/1990

RPI 1010

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