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Official data from INPI

PROCESSO PARA A FABRICAÇÃO DE TUBOS A PARTIR DE UM CORPO TUBULAR PRE-FABRICADO E TUBO A PARTIR DE UM CORPO TUBULAR, APRESENTANDO NO MÍNIMO UMA CAMADA DE MATERIAL SINTÉTICO, E DE UMA CABEÇA DE TUBO DE VÁRIAS CAMADAS

Arquivada/ExtintaInvention PatentPCT · EP1991000580

Application data

Number

PI9105659

Type

Invention Patent

Filing

03/26/1991

Publication

06/02/1992

PCT

EP1991000580

Progress at the INPI

  1. Filing03/26/91
  2. Publication06/02/92
  3. Examination10/13/92
  4. Allowance07/27/99
  5. Grant04/18/00
  6. Expired06/11/13

The letters patent expired on 06/11/2013: 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: 06/11/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Aisa Automation Industrielle SA

CH

See this company's full portfolio

Inventors

G. K. (pessoa física)

CH

Technical data

Priority claims

DE

P 40 09 656.4 · 03/26/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 26/03/2011

06/11/2013

RPI 2214

Concessão da patente

#16.1

04/18/2000

RPI 1528

Deferimento

#9.1

07/27/1999

RPI 1490

Exigência - art. 36 da LPI

#6.1

10/06/1998

RPI 1450

Solicitação de exame técnico

#4.1

10/13/1992

RPI 1141

Notificação de entrada na fase nacional - PCT

#1.3

06/02/1992

RPI 1122

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