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Official data from INPI

APERFEIÇOAMENTO NA CONSTRUÇÃO DE MONTAGEM DE EQUIPAMENTOS AUXILIAR DE PARTIDA PARA LÂMPADA DE DESCARGA

ConcedidaInvention Patent

Application data

Number

PI8404519

Type

Invention Patent

Filing

09/11/1984

Publication

04/15/1986

Progress at the INPI

  1. Filing09/11/84
  2. Publication04/15/86
  3. Examination08/12/86
  4. Allowance09/27/88
  5. Grant09/26/89
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Industria Eletro Mecanica Linsa Ltda

SP, BR

Inventors

C. S. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

110

05/09/1989

RPI 968

Recurso

#12.1

01/10/1989

RPI 951

Deferimento

#9.1

09/27/1988

RPI 936

Solicitação de exame técnico

#4.1

08/12/1986

RPI 825

Publicação do pedido de patente

#3.1

04/15/1986

RPI 808

14.7

07/16/1985

RPI 769

Pedido de patente depositado

#2.1

11/13/1984

RPI 734

Carta-patente expirada

#21.1

Patente extinta em 11/09/99

07/08/2008

RPI 1957

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