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Official data from INPI

Aperfeiçoamento em túnel de avanço sob pressão.

DeferidaInvention Patent

Application data

Number

PI8503441

Type

Invention Patent

Filing

07/16/1985

Publication

02/12/1986

Progress at the INPI

  1. Filing07/16/85
  2. Publication02/12/86
  3. Examination08/26/86
  4. Allowance09/19/89
  5. Abandoned
  6. In force

The application was allowed on 09/19/1989 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 09/19/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Construtora Civil e Industrial S/A. Concisa

SP, BR

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Inventors

C. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

09/19/1989

RPI 987

Exigência - art. 36 da LPI

#6.1

03/21/1989

RPI 961

Solicitação de exame técnico

#4.1

08/26/1986

RPI 827

Solicitação de exame não realizada

#4.2

06/10/1986

RPI 816

Publicação antecipada

#3.2

02/12/1986

RPI 799

Pedido de patente depositado

#2.1

09/24/1985

RPI 779

15.7

04/13/1993

RPI 1167

Arquivamento - Art. 38 §2° da LPI

#11.4

06/19/1990

RPI 1023

Notificação para pagamento de retribuição

#13.1

01/16/1990

RPI 1002

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