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Official data from INPI

PROCESSO E FERRAMENTA PARA A REMOÇÃO NÃO-DESTRUTIVA DE TUBOS, OU DE PORÇÕES DE TUBOS, DE TROCADORES DE CALOR

DeferidaInvention Patent

Application data

Number

PI8605949

Type

Invention Patent

Filing

12/04/1986

Publication

09/15/1987

Progress at the INPI

  1. Filing12/04/86
  2. Publication09/15/87
  3. Examination12/27/88
  4. Allowance10/31/89
  5. Grant06/26/90
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Montedipe S.p.A

IT

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Inventors

F. F. (pessoa física)

IT

R. S. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

23265 A/85 · 12/18/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

10/31/1989

RPI 993

Solicitação de exame técnico

#4.1

12/27/1988

RPI 949

Publicação do pedido de patente

#3.1

09/15/1987

RPI 882

Pedido de patente depositado

#2.1

04/22/1987

RPI 861

Carta-patente expirada

#21.1

Patente extinta em 04/12/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

06/26/1990

RPI 1024

Notificação para pagamento de retribuição

#13.1

03/06/1990

RPI 1008

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