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Official data from INPI

TRATAMENTO TERMO-ACÚSTICO DE AMBIENTE

Prazo de SigiloInvention Patent
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Application data

Number

PI8903458

Type

Invention Patent

Filing

07/05/1989

Publication

01/15/1991
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Progress at the INPI

  1. Filing07/05/89
  2. Publication01/15/91
  3. Abandoned03/24/92
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 10/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Companhia Siderúrgica Paulista - COSIPA

SP, BR

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Inventors

D. P. (pessoa física)

O. L. (pessoa física)

Technical data

IPC Classification

E04F 13/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

10/10/1989

RPI 990

Arquivamento - Art. 36 §1° da LPI

#11.2

Arquivado o pedido com base no art.36 parágrafo 1º da LPI.

08/11/1998

RPI 1442

11.7

08/27/1996

RPI 1343

6.5

08/27/1996

RPI 1343

Arquivamento - Art. 36 §1° da LPI

#11.2

01/02/1996

RPI 1309

Exigência - art. 36 da LPI

#6.1

03/28/1995

RPI 1269

14.7

10/25/1994

RPI 1247

Solicitação de exame técnico

#4.1

03/24/1992

RPI 1112

Publicação do pedido de patente

#3.1

01/15/1991

RPI 1050

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