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Official data from INPI

Aparelho de gravação magneto-óptico

PublicadaInvention Patent

Application data

Number

PI8805266

Type

Invention Patent

Filing

10/13/1988

Publication

05/30/1989

Progress at the INPI

  1. Filing10/13/88
  2. Publication05/30/89
  3. Examination07/09/91
  4. Allowance05/27/97
  5. Grant07/28/98
  6. Expired12/18/12

The letters patent expired on 12/18/2012: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 05/30/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Koninklijke Philips Electronics N.V.

NL

N.V. Philips'Gloeilampenfabrieken

NL

Philips Electronics N.V

NL

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Inventors

J. B. (pessoa física)

NL

P. H. (pessoa física)

NL

Technical data

IPC Classification

Priority claims

NL

8702451 · 10/14/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/30/1989

RPI 971

Pedido de patente depositado

#2.1

02/08/1989

RPI 955

Carta-patente expirada

#21.1

Patente extinta em 13/10/2008

12/18/2012

RPI 2189

Alteração de nome deferida

#25.4

Alterado de: Philips Electronics N.V.

09/08/1999

RPI 1496

Concessão da patente

#16.1

07/28/1998

RPI 1440

Alteração de nome deferida

#25.4

09/23/1997

RPI 1399

Deferimento

#9.1

05/27/1997

RPI 1382

Exigência - art. 36 da LPI

#6.1

11/07/1995

RPI 1301

Solicitação de exame técnico

#4.1

07/09/1991

RPI 1075

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