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Official data from INPI

CENTRALIZADOR INTERNO PARTICULARMENTE ADAPTADO PARA O ACOPLAMENTO DE TOPO DE TUBOS

Arquivada/ExtintaInvention Patent

Application data

Number

PI9100489

Type

Invention Patent

Filing

02/06/1991

Publication

10/29/1991

Progress at the INPI

  1. Filing02/06/91
  2. Publication10/29/91
  3. Examination07/27/93
  4. Allowance07/19/94
  5. Grant03/28/95
  6. Expired06/22/10

The letters patent expired on 06/22/2010: 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: 06/22/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Agip S.p.A.

IT

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Inventors

D. B. (pessoa física)

IT

G. C. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

19281 A/90 · 02/07/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 06/02/2006

06/22/2010

RPI 2059

Concessão da patente

#16.1

03/28/1995

RPI 1269

Notificação para pagamento de retribuição

#13.1

11/15/1994

RPI 1250

Deferimento

#9.1

07/19/1994

RPI 1233

Solicitação de exame técnico

#4.1

07/27/1993

RPI 1182

Publicação do pedido de patente

#3.1

10/29/1991

RPI 1091

Pedido de patente depositado

#2.1

08/20/1991

RPI 1081

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