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Official data from INPI

CIRCUITO DE ALIMENTAÇÃO PARA UM DISPOSITIVO ELETRÔNICO SUBMETIDO A UM POTENCIAL ELÉTRICO ELEVADO

ConcedidaInvention Patent

Application data

Number

PI8201781

Type

Invention Patent

Filing

03/29/1982

Publication

03/01/1983

Progress at the INPI

  1. Filing03/29/82
  2. Publication03/01/83
  3. Examination03/19/85
  4. Allowance06/17/86
  5. Grant12/30/86
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 12/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Alsthom-Atlantique

FR

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Inventors

J. D. (pessoa física)

FR

P. A. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

81 06337 · 03/30/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/30/1986

RPI 845

Notificação para pagamento de retribuição

#13.1

10/14/1986

RPI 834

Deferimento

#9.1

06/17/1986

RPI 817

Exigência - art. 36 da LPI

#6.1

09/24/1985

RPI 779

Solicitação de exame técnico

#4.1

03/19/1985

RPI 752

Publicação do pedido de patente

#3.1

03/01/1983

RPI 645

Pedido de patente depositado

#2.1

05/18/1982

RPI 604

Carta-patente expirada

#21.1

Patente extinta em 29/03/97

07/01/2008

RPI 1956

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