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Official data from INPI

PROCESSO PARA A PREPARACAO DE COMPOSICOES DE TRATAMENTO DE REVESTIMENTO

Em AnáliseInvention Patent

Application data

Number

PI8105582

Type

Invention Patent

Filing

09/02/1980

Publication

05/18/1982

Progress at the INPI

  1. Filing09/02/80
  2. Publication05/18/82
  3. Examination08/10/82
  4. Allowance08/21/84
  5. Grant03/26/85
  6. Terminated06/21/88

The patent was granted on 03/26/1985 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: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

U. K. (pessoa física)

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Inventors

B. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/21/1988

RPI 922

Concessão da patente

#16.1

03/26/1985

RPI 753

Notificação para pagamento de retribuição

#13.1

12/11/1984

RPI 738

Deferimento

#9.1

08/21/1984

RPI 722

Exigência - art. 36 da LPI

#6.1

02/21/1984

RPI 696

Solicitação de exame técnico

#4.1

08/10/1982

RPI 616

Publicação do pedido de patente

#3.1

05/18/1982

RPI 604

Pedido de patente depositado

#2.1

10/13/1981

RPI 573

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