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Official data from INPI

MÉTODO PARA JUNTAR AS EXTREMIDADES DE DOIS ELEMENTOS ALONGADOS PROVIDOS DE CANALETAS PERIFÉRICAS E JUNÇÃO ASSIM OBTIDA.

PublicadaInvention Patent

Application data

Number

PI8703223

Type

Invention Patent

Filing

04/14/1987

Publication

03/15/1988

Progress at the INPI

  1. Filing04/14/87
  2. Publication03/15/88
  3. Examination12/04/90
  4. Allowance05/18/93
  5. Grant09/28/93
  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: 03/15/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Pirelli Cavi SpA

IT

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Inventors

B. B. (pessoa física)

IT

E. D. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

20079 A/86 · 04/14/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

03/15/1988

RPI 908

Pedido de patente depositado

#2.1

09/29/1987

RPI 884

Carta-patente expirada

#21.1

Patente extinta em 14/04/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

09/28/1993

RPI 1191

Deferimento

#9.1

05/18/1993

RPI 1172

14.4

02/24/1993

RPI 1160

Solicitação de exame técnico

#4.1

12/04/1990

RPI 1044

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