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Official data from INPI

COMPOSICOES DE POLIESTER-POLICARBONATO REFORCADAS

Em AnáliseInvention Patent

Application data

Number

PI7701274

Type

Invention Patent

Filing

03/01/1976

Publication

-

Progress at the INPI

  1. Filing03/01/76
  2. Publication
  3. Examination
  4. Allowance07/05/83
  5. Grant12/27/83
  6. Terminated12/08/87

The patent was granted on 12/27/1983 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: 12/08/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G. E. (pessoa física)

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Inventors

W. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/08/1987

RPI 894

Concessão da patente

#16.1

12/27/1983

RPI 688

Notificação para pagamento de retribuição

#13.1

11/08/1983

RPI 681

Deferimento

#9.1

07/05/1983

RPI 663

Exigência - art. 36 da LPI

#6.1

11/09/1982

RPI 629

Exigência - art. 36 da LPI

#6.1

12/29/1981

RPI 584

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