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Official data from INPI

PROCESSO DE REFINAMENTO DE MATERIAL DE FIBRA E APARELHO PARA REALIZAR O PROCESSO

Em AnáliseInvention Patent

Application data

Number

PI8701632

Type

Invention Patent

Filing

04/07/1987

Publication

01/26/1988

Progress at the INPI

  1. Filing04/07/87
  2. Publication01/26/88
  3. Examination03/29/88
  4. Allowance11/24/92
  5. Grant06/29/93
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 03/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

K. A. (pessoa física)

SE

See this company's full portfolio

Inventors

J. G. (pessoa física)

FI

Technical data

IPC Classification

Priority claims

SE

86016060 · 04/10/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

03/29/1988

RPI 910

Publicação do pedido de patente

#3.1

01/26/1988

RPI 901

Pedido de patente depositado

#2.1

07/14/1987

RPI 873

Carta-patente expirada

#21.1

Patente extinta em 07/04/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

06/29/1993

RPI 1178

Deferimento

#9.1

11/24/1992

RPI 1147

Exigência - art. 36 da LPI

#6.1

01/07/1992

RPI 1101

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