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Official data from INPI

PROCESSO DE PREPARAÇÃO DE COPOLIETERAMIDAS HOMOGÊNEAS

ConcedidaInvention Patent

Application data

Number

PI8402928

Type

Invention Patent

Filing

06/15/1984

Publication

05/28/1985

Progress at the INPI

  1. Filing06/15/84
  2. Publication05/28/85
  3. Examination01/27/87
  4. Allowance11/29/88
  5. Grant09/26/89
  6. Terminated06/13/95

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

R. C. (pessoa física)

FR

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Inventors

J. C. (pessoa física)

FR

J. G. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

83/10 939 · 06/28/1983

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

04/25/1989

RPI 966

Deferimento

#9.1

11/29/1988

RPI 945

Exigência - art. 36 da LPI

#6.1

06/14/1988

RPI 921

Solicitação de exame técnico

#4.1

01/27/1987

RPI 849

Publicação do pedido de patente

#3.1

05/28/1985

RPI 762

Pedido de patente depositado

#2.1

08/21/1984

RPI 722

Anuidade - prazo legal encerrado

#18.2

06/13/1995

RPI 1280

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