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Official data from INPI

PROCESSO PARA A PREPARACAO DE FIBRAS HIDROFILAS DE POLIOLEFINA,FIBRAS ASSIM PREPARADAS,E PRODUTO DE PAPEL

Em AnáliseInvention Patent

Application data

Number

PI7804818

Type

Invention Patent

Filing

07/27/1977

Publication

-

Progress at the INPI

  1. Filing07/27/77
  2. Publication
  3. Examination
  4. Allowance01/03/84
  5. Grant07/31/84
  6. Terminated06/14/88

The patent was granted on 07/31/1984 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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HERCULES INC

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Inventors

R. T. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/14/1988

RPI 921

Concessão da patente

#16.1

07/31/1984

RPI 719

Notificação para pagamento de retribuição

#13.1

04/24/1984

RPI 705

Deferimento

#9.1

01/03/1984

RPI 689

Exigência - art. 36 da LPI

#6.1

11/30/1982

RPI 632

6.2

01/26/1982

RPI 588

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