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Official data from INPI

PROCESSO PARA PRE-TRATAMENTO DE UM SUBSTRATO SUBSTANCIALMENTE NAO-CONDUTOR PARA TORNA-LO RECEPTIVO A OPERACOES SUBSEQUENTES DE ELETRO-REVESTIMENTO

Em AnáliseInvention Patent

Application data

Number

PI8102678

Type

Invention Patent

Filing

05/01/1980

Publication

01/26/1982

Progress at the INPI

  1. Filing05/01/80
  2. Publication01/26/82
  3. Examination05/25/82
  4. Allowance02/12/85
  5. Grant08/27/85
  6. Terminated05/24/88

The patent was granted on 08/27/1985 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: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HOOKER CHEMICALS PLASTICS CORP

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Inventors

C. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/24/1988

RPI 918

Concessão da patente

#16.1

08/27/1985

RPI 775

Notificação para pagamento de retribuição

#13.1

05/28/1985

RPI 762

Deferimento

#9.1

02/12/1985

RPI 747

Exigência - art. 36 da LPI

#6.1

05/02/1984

RPI 706

Solicitação de exame técnico

#4.1

05/25/1982

RPI 605

Publicação do pedido de patente

#3.1

01/26/1982

RPI 588

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