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Official data from INPI

PROCESSO PARA DETERMINAÇÃO RÁPIDA DAS LINHAS DE DISTENSÃO EM CHAPAS DE AÇO LAMINADAS A FRIO, APÓS CONFORMAÇÃO POR REPUXAMENTO

Em AnáliseInvention Patent

Application data

Number

PI8305304

Type

Invention Patent

Filing

09/27/1983

Publication

04/30/1985

Progress at the INPI

  1. Filing09/27/83
  2. Publication04/30/85
  3. Examination08/12/86
  4. Allowance09/25/90
  5. Grant10/29/91
  6. Terminated05/02/95

The patent was granted on 10/29/1991 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 08/12/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Companhia Siderúrgica Paulista - COSIPA

SP, BR

See this company's full portfolio

Inventors

M. R. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/12/1986

RPI 825

Publicação do pedido de patente

#3.1

04/30/1985

RPI 758

Pedido de patente depositado

#2.1

11/29/1983

RPI 684

Anuidade - prazo legal encerrado

#18.2

05/02/1995

RPI 1274

Concessão da patente

#16.1

10/29/1991

RPI 1091

Notificação para pagamento de retribuição

#13.1

06/11/1991

RPI 1071

15.18

04/09/1991

RPI 1062

Retificação

#15.3

01/15/1991

RPI 1050

Deferimento

#9.1

09/25/1990

RPI 1034

Exigência - art. 36 da LPI

#6.1

05/15/1990

RPI 1018

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