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Official data from INPI

PROCESSO PARA RECUPERAÇÃO DE BASES DE CONCRETO DE EQUIPAMENTOS OPERACIONAIS EM LINHAS DE PRODUÇÃO, PARTICULARMENTE EM GRANDES PARADAS DE UNIDADES SIDERÚRGICAS

Prazo de SigiloInvention Patent
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Application data

Number

PI8806387

Type

Invention Patent

Filing

11/30/1988

Publication

07/24/1990
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Progress at the INPI

  1. Filing11/30/88
  2. Publication07/24/90
  3. Examination08/13/91
  4. Allowance04/25/95
  5. Abandoned
  6. In force

The application was allowed on 04/25/1995 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

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Latest action published by the INPI: 04/11/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Companhia Siderúrgica Paulista - COSIPA

SP, BR

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Inventors

A. O. (pessoa física)

D. M. (pessoa física)

Technical data

IPC Classification

E02D 37/00E04G 23/02

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

04/11/1989

RPI 964

Arquivamento - Art. 38 §2° da LPI

#11.4

Arquivamento - Art. 38 § 2º da LPI.

07/06/1999

RPI 1487

11.13

06/17/1997

RPI 1385

13.2

06/17/1997

RPI 1385

9.1.3

06/17/1997

RPI 1385

Arquivamento - Art. 38 §2° da LPI

#11.4

09/03/1996

RPI 1344

Notificação para pagamento de retribuição

#13.1

09/19/1995

RPI 1294

Deferimento

#9.1

04/25/1995

RPI 1273

14.7

10/25/1994

RPI 1247

Exigência - art. 36 da LPI

#6.1

05/31/1994

RPI 1226

Solicitação de exame técnico

#4.1

08/13/1991

RPI 1080

Publicação do pedido de patente

#3.1

07/24/1990

RPI 1025

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