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Official data from INPI

COMPOSIÇÃO TERMOPLÁSTICA DE ÉTER DE POLIFENILENO.

PublicadaInvention Patent

Application data

Number

PI8605911

Type

Invention Patent

Filing

11/11/1986

Publication

09/08/1987

Progress at the INPI

  1. Filing11/11/86
  2. Publication09/08/87
  3. Examination02/13/90
  4. Allowance11/03/93
  5. Grant05/31/94
  6. Terminated06/18/96

The patent was granted on 05/31/1994 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: 09/08/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

General Electric Company

US

See this company's full portfolio

Inventors

S. T. (pessoa física)

US

S. F. (pessoa física)

JP

Technical data

Priority claims

US

801731 · 11/26/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

09/08/1987

RPI 881

Pedido de patente depositado

#2.1

04/22/1987

RPI 861

Anuidade - prazo legal encerrado

#18.2

06/18/1996

RPI 1333

Concessão da patente

#16.1

05/31/1994

RPI 1226

Deferimento

#9.1

11/03/1993

RPI 1196

Exigência - art. 36 da LPI

#6.1

10/06/1992

RPI 1140

Exigência - art. 36 da LPI

#6.1

11/05/1991

RPI 1092

Solicitação de exame técnico

#4.1

02/13/1990

RPI 1006

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