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Official data from INPI

PROCESSO DE FORMACAO DE TAMBOR DE FREIO

ConcedidaInvention Patent

Application data

Number

PI8406384

Type

Invention Patent

Filing

01/20/1984

Publication

10/08/1985

Progress at the INPI

  1. Filing01/20/84
  2. Publication10/08/85
  3. Examination09/02/86
  4. Allowance12/29/87
  5. Grant09/27/88
  6. Terminated03/03/92

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

Applicants and inventors

Applicants

ROCKWELL INTERNATIONAL CORP [US]

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Inventors

W. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/27/1988

RPI 936

Notificação para pagamento de retribuição

#13.1

05/10/1988

RPI 916

Deferimento

#9.1

12/29/1987

RPI 897

Pedido de certificado de adição de invenção

#5.1

01/21/1987

RPI 848

Solicitação de exame técnico

#4.1

09/02/1986

RPI 828

Publicação do pedido de patente

#3.1

10/08/1985

RPI 781

Pedido de patente depositado

#2.1

03/12/1985

RPI 751

Anuidade - prazo legal encerrado

#18.2

03/03/1992

RPI 1109

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