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Official data from INPI

FORNO DE FUNDIÇÃO

Em AnáliseInvention Patent

Application data

Number

PI8604104

Type

Invention Patent

Filing

08/28/1986

Publication

04/14/1987

Progress at the INPI

  1. Filing08/28/86
  2. Publication04/14/87
  3. Examination12/01/87
  4. Allowance04/04/89
  5. Grant01/09/90
  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: 08/01/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

K. F. (pessoa física)

AU

Inventors

K. F. (pessoa física)

AU

Technical data

IPC Classification

Priority claims

AU

A 2511/85 · 08/28/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

08/01/1989

RPI 980

Deferimento

#9.1

04/04/1989

RPI 963

Solicitação de exame técnico

#4.1

12/01/1987

RPI 893

Publicação do pedido de patente

#3.1

04/14/1987

RPI 860

Pedido de patente depositado

#2.1

03/17/1987

RPI 856

Carta-patente expirada

#21.1

Patente extinta em 28/08/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

01/09/1990

RPI 1001

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