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Official data from INPI

PROCESSO PARA A PREPARACAO DE UMA POLIAMIDA

Concessão AnuladaInvention Patent

Application data

Number

PI8101824

Type

Invention Patent

Filing

03/26/1980

Publication

-

Progress at the INPI

  1. Filing03/26/80
  2. Publication
  3. Examination11/16/83
  4. Allowance07/08/86
  5. Grant09/27/88
  6. Terminated06/20/95

The patent was granted on 09/27/1988 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: 10/18/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

STAMICARBON

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Inventors

B. J. (pessoa física)

E. H. (pessoa física)

G. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão anulada

#16.2

10/18/1988

RPI 939

Concessão da patente

#16.1

09/27/1988

RPI 936

Concessão da patente

#16.1

03/17/1987

RPI 856

Notificação para pagamento de retribuição

#13.1

11/04/1986

RPI 837

Deferimento

#9.1

07/08/1986

RPI 820

Exigência - art. 36 da LPI

#6.1

04/30/1985

RPI 758

Exigência - art. 36 da LPI

#6.1

05/29/1984

RPI 710

Solicitação de exame técnico

#4.1

11/16/1983

RPI 682

Anuidade - prazo legal encerrado

#18.2

06/20/1995

RPI 1281

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