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Official data from INPI

CONJUNTO FONTE DE CORRENTE E CONVERSOR DIGITAL/ANALÓGICO

Arquivada/ExtintaInvention Patent

Application data

Number

PI8904574

Type

Invention Patent

Filing

09/11/1989

Publication

04/24/1990

Progress at the INPI

  1. Filing09/11/89
  2. Publication04/24/90
  3. Examination04/07/92
  4. Allowance03/14/00
  5. Grant07/11/00
  6. Expired12/26/12

The letters patent expired on 12/26/2012: 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: 12/26/2012. 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

See this company's full portfolio

Inventors

D. G. (pessoa física)

NL

H. S. (pessoa física)

NL

Technical data

IPC Classification

Priority claims

NL

8802230 · 09/12/1988

NL

8900215 · 01/30/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 11/07/2010

12/26/2012

RPI 2190

Concessão da patente

#16.1

07/11/2000

RPI 1540

Deferimento

#9.1

03/14/2000

RPI 1523

Exigência - art. 36 da LPI

#6.1

08/10/1999

RPI 1492

Alteração de nome deferida

#25.4

Alterado de: Philips Electronics N.V.

05/18/1999

RPI 1480

Alteração de nome deferida

#25.4

Alterado de: N. V. Philips´ Gloeilampenfabrieken

11/03/1998

RPI 1452

Solicitação de exame técnico

#4.1

04/07/1992

RPI 1114

Publicação do pedido de patente

#3.1

04/24/1990

RPI 1015

Pedido de patente depositado

#2.1

02/13/1990

RPI 1006

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