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Official data from INPI

FUSÍVEL DE BAIXA TENSÃO E GRANDE POTÊNCIA

Em AnáliseInvention Patent

Application data

Number

PI8603810

Type

Invention Patent

Filing

08/11/1986

Publication

03/17/1987

Progress at the INPI

  1. Filing08/11/86
  2. Publication03/17/87
  3. Examination01/03/89
  4. Allowance11/19/91
  5. Grant08/25/92
  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: 01/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. A. (pessoa física)

DE

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Inventors

A. S. (pessoa física)

DE

W. B. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 35 28 897.3 · 08/12/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

01/03/1989

RPI 950

Publicação do pedido de patente

#3.1

03/17/1987

RPI 856

Pedido de patente depositado

#2.1

01/06/1987

RPI 846

Carta-patente expirada

#21.1

Patente extinta em 11/08/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

08/25/1992

RPI 1134

Notificação para pagamento de retribuição

#13.1

04/07/1992

RPI 1114

Deferimento

#9.1

11/19/1991

RPI 1094

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