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Official data from INPI

PROCESSO DE PREPARACAO DE CIRCUITOS FLEXIVEIS

ConcedidaInvention Patent

Application data

Number

PI8205458

Type

Invention Patent

Filing

09/21/1981

Publication

08/23/1983

Progress at the INPI

  1. Filing09/21/81
  2. Publication08/23/83
  3. Examination08/28/84
  4. Allowance10/15/85
  5. Grant05/27/86
  6. Terminated02/11/92

The patent was granted on 05/27/1986 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: 05/27/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DU PONT [US]

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Inventors

H. M. (pessoa física)

L. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/27/1986

RPI 814

Deferimento

#9.1

10/15/1985

RPI 782

Republicação - classificação IPC

#15.11

10/01/1985

RPI 780

Solicitação de exame técnico

#4.1

08/28/1984

RPI 723

Publicação do pedido de patente

#3.1

08/23/1983

RPI 670

Pedido de patente depositado

#2.1

11/09/1982

RPI 629

Anuidade - prazo legal encerrado

#18.2

02/11/1992

RPI 1106

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