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Official data from INPI

TERMINAÇÃO DE UM TUBO PARA O TRANSPORTE DE FLUIDOS SOB PRESSÃO E MÉTODO PARA REALIZAR TAL TERMINAÇÃO.

Em AnáliseInvention Patent

Application data

Number

PI8701988

Type

Invention Patent

Filing

03/27/1987

Publication

02/02/1988

Progress at the INPI

  1. Filing03/27/87
  2. Publication02/02/88
  3. Examination05/10/88
  4. Allowance05/01/90
  5. Grant12/26/90
  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: 05/10/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Pirelli Cavi S.P.A

IT

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Inventors

A. S. (pessoa física)

IT

E. D. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

19.940A · 03/28/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

05/10/1988

RPI 916

Publicação do pedido de patente

#3.1

02/02/1988

RPI 902

Pedido de patente depositado

#2.1

07/28/1987

RPI 875

Carta-patente expirada

#21.1

Patente extinta em 27/03/2002

07/29/2008

RPI 1960

20.4

12/01/1992

RPI 1148

Republicação - classificação IPC

#15.11

04/16/1991

RPI 1063

Concessão da patente

#16.1

12/26/1990

RPI 1047

Deferimento

#9.1

05/01/1990

RPI 1016

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