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Official data from INPI

APERFEIÇOAMENTO EM SISTEMA DE SAÍDA DA ÁGUA DE REFRIGERAÇÃO DAS VENTANEIRAS

PublicadaInvention Patent
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Application data

Number

PI8500836

Type

Invention Patent

Filing

02/26/1985

Publication

09/30/1986
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Progress at the INPI

  1. Filing02/26/85
  2. Publication09/30/86
  3. Abandoned05/14/91
  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: 10/11/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Usinas Siderúrgicas de Minas Gerais S/A - Usiminas

MG, BR

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Inventors

J. C. (pessoa física)

BR

Technical data

IPC Classification

C21B 7/16

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.6

10/11/1988

RPI 938

Retificação

#15.3

05/31/1988

RPI 919

Publicação do pedido de patente

#3.1

09/30/1986

RPI 832

Pedido de patente depositado

#2.1

05/14/1985

RPI 760

Arquivamento - Art. 36 §1° da LPI

#11.2

03/14/1995

RPI 1267

15.7

12/13/1994

RPI 1254

Exigência - art. 36 da LPI

#6.1

03/09/1993

RPI 1162

Solicitação de exame técnico

#4.1

05/14/1991

RPI 1067

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