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Official data from INPI

COMPOSICAO POLIMERA DE GRAU DE RETARDAMENTO DE CHAMA AUMENTADO

ConcedidaInvention Patent

Application data

Number

PI7706278

Type

Invention Patent

Filing

09/21/1976

Publication

-

Progress at the INPI

  1. Filing09/21/76
  2. Publication
  3. Examination
  4. Allowance03/01/83
  5. Grant08/30/83
  6. Terminated10/23/90

The patent was granted on 08/30/1983 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: 08/30/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. W. (pessoa física)

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Inventors

C. M. (pessoa física)

V. L. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/30/1983

RPI 671

Notificação para pagamento de retribuição

#13.1

06/21/1983

RPI 661

Deferimento

#9.1

03/01/1983

RPI 645

Arquivamento - Art. 36 §1° da LPI

#11.2

10/26/1982

RPI 627

Exigência - art. 36 da LPI

#6.1

02/24/1982

RPI 592

Anuidade - prazo legal encerrado

#18.2

10/23/1990

RPI 1038

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