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Official data from INPI

MÉTODO PARA INVESTIGAR UMA MATRIZ DE ASSOCIAÇÃO

Em ExigênciaInvention Patent

Application data

Number

PI8503161

Type

Invention Patent

Filing

06/02/1985

Publication

03/25/1986

Progress at the INPI

  1. Filing06/02/85
  2. Publication03/25/86
  3. Examination11/25/86
  4. Allowance11/26/91
  5. Grant08/25/92
  6. Terminated09/19/95

The patent was granted on 08/25/1992 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: 05/30/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Alcatel N.V.

NL

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Inventors

J. C. (pessoa física)

US

R. L. (pessoa física)

US

R. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

636.466 · 07/31/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

6.2

05/30/1989

RPI 971

14.1

11/17/1987

RPI 891

Solicitação de exame técnico

#4.1

11/25/1986

RPI 840

Publicação do pedido de patente

#3.1

03/25/1986

RPI 805

Pedido de patente depositado

#2.1

09/17/1985

RPI 778

Anuidade - prazo legal encerrado

#18.2

09/19/1995

RPI 1294

Concessão da patente

#16.1

08/25/1992

RPI 1134

Notificação para pagamento de retribuição

#13.1

04/14/1992

RPI 1115

Deferimento

#9.1

11/26/1991

RPI 1095

Republicação - classificação IPC

#15.11

11/05/1991

RPI 1092

Exigência - art. 36 da LPI

#6.1

07/02/1991

RPI 1074

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