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Official data from INPI

CONJUNTO DE TUBEIRA PARA A ESTRUTURAÇÃO DE FIOS TÊXTEIS

Em AnáliseInvention Patent

Application data

Number

PI8505424

Type

Invention Patent

Filing

10/30/1985

Publication

08/05/1986

Progress at the INPI

  1. Filing10/30/85
  2. Publication08/05/86
  3. Examination09/06/88
  4. Allowance01/29/91
  5. Grant08/27/91
  6. Terminated09/19/95

The patent was granted on 08/27/1991 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: 09/06/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DU PONT [US]

See this company's full portfolio

Inventors

R. J. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

668.441 · 11/05/1984

US

728.518 · 04/29/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/06/1988

RPI 933

Publicação do pedido de patente

#3.1

08/05/1986

RPI 824

Pedido de patente depositado

#2.1

01/14/1986

RPI 795

Anuidade - prazo legal encerrado

#18.2

09/19/1995

RPI 1294

Concessão da patente

#16.1

08/27/1991

RPI 1082

Notificação para pagamento de retribuição

#13.1

05/14/1991

RPI 1067

Deferimento

#9.1

01/29/1991

RPI 1052

Conhecimento de parecer técnico

#7.1

03/13/1990

RPI 1009

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