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Official data from INPI

CIRCUITO ELETRÔNICO PARA AMPLIFICAR UM SINAL DE ENTRADA DE CIRCUITO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9000566

Type

Invention Patent

Filing

02/08/1990

Publication

10/08/1991

Progress at the INPI

  1. Filing02/08/90
  2. Publication10/08/91
  3. Abandoned01/11/94
  4. Allowance
  5. Grant
  6. In force

The application was abandoned for failure to pay the annuities (art. 86 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 04/18/2000. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

N.V. Philips'Gloeilampenfabrieken

NL

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Inventors

J. H. (pessoa física)

M. M. (pessoa física)

Technical data

IPC Classification

Priority claims

US

309,469 · 02/10/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento por falta de pagamento

#8.6

Referente a 7ª, 8ª, 9ª e 10ª anuidade

04/18/2000

RPI 1528

8.1

Referente a 7ª, 8ª e 9ª anuidade

12/22/1998

RPI 1459

Solicitação de exame técnico

#4.1

01/11/1994

RPI 1206

Publicação do pedido de patente

#3.1

10/08/1991

RPI 1088

Pedido de patente depositado

#2.1

05/15/1990

RPI 1018

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