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Official data from INPI

DISPOSITIVO DE TUBEIRA PARA A TEXTURIZAÇÃO DE FIOS TÊXTEIS

ConcedidaInvention Patent

Application data

Number

PI8404885

Type

Invention Patent

Filing

09/27/1984

Publication

08/13/1985

Progress at the INPI

  1. Filing09/27/84
  2. Publication08/13/85
  3. Examination09/15/87
  4. Allowance10/04/88
  5. Grant09/26/89
  6. Terminated05/14/96

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

DU PONT [US]

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Inventors

A. G. (pessoa física)

US

B. A. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

536.314 · 09/29/1983

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

01/24/1989

RPI 953

Deferimento

#9.1

10/04/1988

RPI 937

Solicitação de exame técnico

#4.1

09/15/1987

RPI 882

Publicação do pedido de patente

#3.1

08/13/1985

RPI 773

Pedido de patente depositado

#2.1

12/11/1984

RPI 738

Anuidade - prazo legal encerrado

#18.2

05/14/1996

RPI 1328

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