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Official data from INPI

COMPOSIÇÕES DE POLIAMIDA RETARDANTES DE CHAMA

ConcedidaInvention Patent

Application data

Number

PI8403766

Type

Invention Patent

Filing

07/27/1984

Publication

07/02/1985

Progress at the INPI

  1. Filing07/27/84
  2. Publication07/02/85
  3. Examination06/16/87
  4. Allowance11/01/88
  5. Grant09/26/89
  6. Terminated06/20/95

The patent was granted on 09/26/1989 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

O. C. (pessoa física)

US

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Inventors

C. I. (pessoa física)

US

J. D. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

519.277 · 08/01/1983

US

595.197 · 03/30/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

02/21/1989

RPI 957

Deferimento

#9.1

11/01/1988

RPI 941

Solicitação de exame técnico

#4.1

06/16/1987

RPI 869

Publicação do pedido de patente

#3.1

07/02/1985

RPI 767

Pedido de patente depositado

#2.1

10/02/1984

RPI 728

Anuidade - prazo legal encerrado

#18.2

06/20/1995

RPI 1281

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