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Official data from INPI

PROCESSO PARA OBTENÇÃO DE FIOS POROSOS E RESPECTIVOS FIOS POROSOS DE POLIMEROS SINTÉTICOS.

ConcedidaInvention Patent

Application data

Number

PI7904887

Type

Invention Patent

Filing

07/30/1979

Publication

-

Progress at the INPI

  1. Filing07/30/79
  2. Publication
  3. Examination04/06/82
  4. Allowance04/09/85
  5. Grant10/29/85
  6. Terminated01/28/92

The patent was granted on 10/29/1985 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: 10/29/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Akzo N.V.

NL

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Inventors

G. K. (pessoa física)

K. E. (pessoa física)

Technical data

IPC Classification

Priority claims

NL

P 2833568.4-26 · 07/31/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/29/1985

RPI 784

Notificação para pagamento de retribuição

#13.1

07/30/1985

RPI 771

Deferimento

#9.1

04/09/1985

RPI 755

Exigência - art. 36 da LPI

#6.1

09/25/1984

RPI 727

Conhecimento de parecer técnico

#7.1

11/22/1983

RPI 683

6.2

02/08/1983

RPI 642

Solicitação de exame técnico

#4.1

04/06/1982

RPI 598

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

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