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Official data from INPI

BANHO E PROCESSO PARA REMOVER ELETROLITICAMENTE DEPOSITOS DE METAL ,TAL COMO COBRE ,NIQUEL BRILHANTE E SEMI-BRILHANTE ,NIQUEL DE SULFAMATO ,NIQUEL-FOSFORO,CADMIO ,LATAO,ESTANHO,CROMO E LIGAS DE FERRO-NIQUEL ,DE UM METAL BASE DIFERENTE

ConcedidaInvention Patent

Application data

Number

PI8103856

Type

Invention Patent

Filing

07/07/1980

Publication

03/09/1982

Progress at the INPI

  1. Filing07/07/80
  2. Publication03/09/82
  3. Examination06/15/82
  4. Allowance10/27/87
  5. Grant05/31/88
  6. Terminated06/27/95

The patent was granted on 05/31/1988 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HOOKER CHEMICALS PLASTICS CORP

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Inventors

T. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1988

RPI 919

Notificação para pagamento de retribuição

#13.1

03/01/1988

RPI 906

Deferimento

#9.1

10/27/1987

RPI 888

Exigência - art. 36 da LPI

#6.1

05/19/1987

RPI 865

Exigência - art. 36 da LPI

#6.1

02/26/1985

RPI 749

Exigência - art. 36 da LPI

#6.1

05/22/1984

RPI 709

Solicitação de exame técnico

#4.1

06/15/1982

RPI 608

Publicação do pedido de patente

#3.1

03/09/1982

RPI 594

Anuidade - prazo legal encerrado

#18.2

06/27/1995

RPI 1282

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