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Official data from INPI

PROCESSO PARA FABRICAR FILAMENTOS RECOZIDOS ONDULADOS; FILAMENTO ONDULADO DE POLI(TEREFTALATO DE ETILENO); FEIXE DE FILAMENTOS.

Em AnáliseInvention Patent

Application data

Number

PI8402035

Type

Invention Patent

Filing

04/30/1984

Publication

12/11/1984

Progress at the INPI

  1. Filing04/30/84
  2. Publication12/11/84
  3. Examination09/16/86
  4. Allowance06/05/90
  5. Grant09/25/90
  6. Terminated09/05/95

The patent was granted on 09/25/1990 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: 11/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DU PONT [US]

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Inventors

A. K. (pessoa física)

US

J. H. (pessoa física)

US

W. J. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

491.267 · 05/04/1983

US

590.291 · 03/16/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Petição de recurso

#12.2

11/21/1989

RPI 996

Indeferimento

#9.2

08/01/1989

RPI 980

Conhecimento de parecer técnico

#7.1

07/19/1988

RPI 926

Solicitação de exame técnico

#4.1

09/16/1986

RPI 830

Publicação do pedido de patente

#3.1

12/11/1984

RPI 738

Pedido de patente depositado

#2.1

07/10/1984

RPI 716

Anuidade - prazo legal encerrado

#18.2

09/05/1995

RPI 1292

Concessão da patente

#16.1

09/25/1990

RPI 1034

Notificação para pagamento de retribuição

#13.1

08/07/1990

RPI 1027

100

06/05/1990

RPI 1021

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