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Official data from INPI

SISTEMA PARA A REPRODUÇÃO DE SINAIS ARMAZENADOS EM UMA FITA MAGNÉTICA.

DeferidaInvention Patent

Application data

Number

PI8403292

Type

Invention Patent

Filing

07/03/1984

Publication

02/12/1986

Progress at the INPI

  1. Filing07/03/84
  2. Publication02/12/86
  3. Examination08/18/87
  4. Allowance10/31/89
  5. Grant10/30/90
  6. Terminated06/20/95

The patent was granted on 10/30/1990 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: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

N.V. Philips'Gloeilampenfabrieken

NL

See this company's full portfolio

Inventors

W. W. (pessoa física)

AT

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

10/31/1989

RPI 993

Solicitação de exame técnico

#4.1

08/18/1987

RPI 878

Publicação do pedido de patente

#3.1

02/12/1986

RPI 799

Pedido de patente depositado

#2.1

09/04/1984

RPI 724

Anuidade - prazo legal encerrado

#18.2

06/20/1995

RPI 1281

Concessão da patente

#16.1

10/30/1990

RPI 1039

Notificação para pagamento de retribuição

#13.1

03/06/1990

RPI 1008

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