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Official data from INPI

LIGA DE ALUMÍNIO APROPRIADA PARA CONFECÇÃO DE CORPOS OCOS SOB PRESSÃO

PublicadaInvention Patent

Application data

Number

PI8703823

Type

Invention Patent

Filing

07/22/1987

Publication

03/29/1988

Progress at the INPI

  1. Filing07/22/87
  2. Publication03/29/88
  3. Examination08/21/90
  4. Allowance11/29/94
  5. Grant05/30/95
  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: 03/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. G. (pessoa física)

FR

Inventors

P. M. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

86 10930 · 07/24/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

03/29/1988

RPI 910

Pedido de patente depositado

#2.1

10/13/1987

RPI 886

Carta-patente expirada

#21.1

Patente extinta em 22/07/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

05/30/1995

RPI 1278

Deferimento

#9.1

11/29/1994

RPI 1252

Exigência - art. 36 da LPI

#6.1

07/05/1994

RPI 1231

Conhecimento de parecer técnico

#7.1

11/16/1993

RPI 1198

Solicitação de exame técnico

#4.1

08/21/1990

RPI 1029

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