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Official data from INPI

SISTEMA DE BALASTRO ELETRÔNICO COM COMANDO AUTOMÁTICO DE GANHO.

Em AnáliseInvention Patent

Application data

Number

PI8600319

Type

Invention Patent

Filing

01/27/1986

Publication

09/01/1987

Progress at the INPI

  1. Filing01/27/86
  2. Publication09/01/87
  3. Examination03/15/88
  4. Allowance10/06/92
  5. Grant04/27/93
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 03/15/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Intent Patents AG

GB

Inventors

J. H. (pessoa física)

US

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

03/15/1988

RPI 908

Publicação do pedido de patente

#3.1

09/01/1987

RPI 880

Carta-patente expirada

#21.1

Patente extinta em 27/01/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

04/27/1993

RPI 1169

Notificação para pagamento de retribuição

#13.1

03/02/1993

RPI 1161

Deferimento

#9.1

10/06/1992

RPI 1140

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