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Official data from INPI

COMPOSIÇÃO EXOTÉRMICA

Em AnáliseInvention Patent

Application data

Number

PI8702132

Type

Invention Patent

Filing

04/30/1987

Publication

02/09/1988

Progress at the INPI

  1. Filing04/30/87
  2. Publication02/09/88
  3. Examination04/26/88
  4. Allowance03/01/95
  5. Grant08/29/95
  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: 06/13/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Foseco International Limited, companhia britânica

GB

See this company's full portfolio

Inventors

M. N. (pessoa física)

GB

M. G. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8610739 · 05/01/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

5.2

06/13/1989

RPI 973

Solicitação de exame técnico

#4.1

04/26/1988

RPI 914

Publicação do pedido de patente

#3.1

02/09/1988

RPI 903

Pedido de patente depositado

#2.1

07/28/1987

RPI 875

Carta-patente expirada

#21.1

Patente extinta em 30/04/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

08/29/1995

RPI 1291

Deferimento

#9.1

03/01/1995

RPI 1265

Exigência - art. 36 da LPI

#6.1

10/04/1994

RPI 1244

Exigência - art. 36 da LPI

#6.1

10/26/1993

RPI 1195

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