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Official data from INPI

COMPOSICAO DE POLICARBONATO RETARDANTE DE CHAMA,NAO OPACA,APERFEICOADA,ARTIGO MOLDADO PRODUZIDO DA MESMA E PROCESSO DE PREPARACAO DA COMPOSICAO

Em AnáliseInvention Patent

Application data

Number

PI7706834

Type

Invention Patent

Filing

10/15/1976

Publication

-

Progress at the INPI

  1. Filing10/15/76
  2. Publication
  3. Examination
  4. Allowance07/05/83
  5. Grant12/27/83
  6. Terminated12/15/87

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: 12/15/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G. E. (pessoa física)

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Inventors

M. V. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/15/1987

RPI 895

Concessão da patente

#16.1

12/27/1983

RPI 688

Deferimento

#9.1

07/05/1983

RPI 663

Exigência - art. 36 da LPI

#6.1

12/28/1982

RPI 636

15.0

03/30/1982

RPI 597

Conhecimento de parecer técnico

#7.1

03/02/1982

RPI 593

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