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Official data from INPI

CHAPA ZINCADA REVESTIDA COM LIGA DE FERRO-ZINCO E PROCESSO DE DEPOSIÇAO DO REVESTIMENTO.

Em ExigênciaInvention Patent
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Application data

Number

PI8305549

Type

Invention Patent

Filing

10/07/1983

Publication

05/14/1985
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Progress at the INPI

  1. Filing10/07/83
  2. Publication05/14/85
  3. Examination09/17/85
  4. Allowance04/10/90
  5. Abandoned
  6. In force

The application was allowed on 04/10/1990 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: 09/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Companhia Siderúrgica Nacional - CSN

RJ, BR

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Inventors

R. R. (pessoa física)

Technical data

IPC Classification

C25D 3/56

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

09/05/1989

RPI 985

Exigência - art. 36 da LPI

#6.1

03/28/1989

RPI 962

Exigência - art. 36 da LPI

#6.1

01/12/1988

RPI 899

Solicitação de exame técnico

#4.1

09/17/1985

RPI 778

Publicação do pedido de patente

#3.1

05/14/1985

RPI 760

Pedido de patente depositado

#2.1

11/20/1984

RPI 735

Arquivamento - Art. 38 §2° da LPI

#11.4

12/18/1990

RPI 1046

Notificação para pagamento de retribuição

#13.1

08/14/1990

RPI 1028

Deferimento

#9.1

04/10/1990

RPI 1013

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