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Official data from INPI

CIRCUITO EQUALIZADOR DE CORRENTE

Prazo de SigiloInvention Patent
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Application data

Number

PI8903583

Type

Invention Patent

Filing

07/19/1989

Publication

03/20/1990
View on INPI

Progress at the INPI

  1. Filing07/19/89
  2. Publication03/20/90
  3. Examination05/26/92
  4. Allowance06/28/94
  5. Grant01/31/95
  6. Expired12/22/09

The letters patent expired on 12/22/2009: 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: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

N.V. Philips'Gloeilampenfabrieken

NL

Philips Electronics N.V.

NL

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Inventors

J. F. (pessoa física)

BR

P. J. (pessoa física)

FR

Technical data

IPC Classification

H04B 3/06

Priority claims

FR

88 09953 · 07/22/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

10/24/1989

RPI 992

Carta-patente expirada

#21.1

Patente extinta em 19/07/2004

12/22/2009

RPI 2033

Alteração de nome deferida

#25.4

12/30/1997

RPI 1410

Concessão da patente

#16.1

01/31/1995

RPI 1261

Notificação para pagamento de retribuição

#13.1

11/01/1994

RPI 1248

Deferimento

#9.1

06/28/1994

RPI 1230

Exigência - art. 36 da LPI

#6.1

02/22/1994

RPI 1212

Solicitação de exame técnico

#4.1

05/26/1992

RPI 1121

Publicação do pedido de patente

#3.1

03/20/1990

RPI 1010

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