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Official data from INPI

PROCESSO PARA MELHORAR A ADESAO DE TINTAS A SUPERFICIE DE UM ARTIGO FEITO DE POLIOLEFINA

Em AnáliseInvention Patent
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Application data

Number

PI8002915

Type

Invention Patent

Filing

05/17/1979

Publication

-
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Progress at the INPI

  1. Filing05/17/79
  2. Publication
  3. Examination08/17/82
  4. Allowance06/05/84
  5. Grant12/26/84
  6. Terminated09/26/89

The patent was granted on 12/26/1984 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DU PONT

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Inventors

B. G. (pessoa física)

Technical data

IPC Classification

C08J 7/04

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

09/26/1989

RPI 988

Concessão da patente

#16.1

12/26/1984

RPI 740

Notificação para pagamento de retribuição

#13.1

10/02/1984

RPI 728

Deferimento

#9.1

06/05/1984

RPI 711

Exigência - art. 36 da LPI

#6.1

12/06/1983

RPI 685

Solicitação de exame técnico

#4.1

08/17/1982

RPI 617

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