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Official data from INPI

JUNTA DE VEDAÇÃO HERMÉTICA METÁLICA PARA TUBOS

Arquivada/ExtintaInvention Patent

Application data

Number

PI8905142

Type

Invention Patent

Filing

10/03/1989

Publication

05/15/1990

Progress at the INPI

  1. Filing10/03/89
  2. Publication05/15/90
  3. Examination12/04/90
  4. Allowance09/17/02
  5. Grant03/18/03
  6. Expired05/21/13

The letters patent expired on 05/21/2013: 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: 05/21/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Dalmine S.P.A.

IT

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Inventors

C. C. (pessoa física)

IT

N. M. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

48411-A/88 · 10/03/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 18/03/2013

05/21/2013

RPI 2211

Concessão da patente

#16.1

03/18/2003

RPI 1680

Deferimento

#9.1

09/17/2002

RPI 1654

Exigência - art. 36 da LPI

#6.1

05/03/1994

RPI 1222

Solicitação de exame técnico

#4.1

12/04/1990

RPI 1044

Publicação do pedido de patente

#3.1

05/15/1990

RPI 1018

Pedido de patente depositado

#2.1

03/01/1990

RPI 1007

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