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Official data from INPI

ELEMENTO PORTADOR GRAVADO EM FORMA DE DISCO,E,APARELHO PARA ESCREVER E/OU LER DADOS

ConcedidaInvention Patent

Application data

Number

PI7907156

Type

Invention Patent

Filing

11/06/1978

Publication

-

Progress at the INPI

  1. Filing11/06/78
  2. Publication
  3. Examination11/03/81
  4. Allowance
  5. Grant06/28/83
  6. Expired05/02/95

The letters patent expired on 05/02/1995: 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: 06/28/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PHILIPS NV

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Inventors

C. M. (pessoa física)

H. M. (pessoa física)

V. J. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/28/1983

RPI 662

Notificação para pagamento de retribuição

#13.1

05/17/1983

RPI 656

15.0

06/15/1982

RPI 608

Solicitação de exame técnico

#4.1

11/03/1981

RPI 576

Carta-patente expirada

#21.1

05/02/1995

RPI 1274

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