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Official data from INPI

CONJUNTO DE FREIO E SISTEMA DE FREIO PARA TRABALHO PESADO

ConcedidaInvention Patent

Application data

Number

PI7902249

Type

Invention Patent

Filing

04/13/1978

Publication

-

Progress at the INPI

  1. Filing04/13/78
  2. Publication
  3. Examination01/19/82
  4. Allowance12/13/83
  5. Grant10/01/85
  6. Expired06/21/94

The letters patent expired on 06/21/1994: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/01/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

FRUEHAUF CORP

Inventors

G. J. (pessoa física)

T. F. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/01/1985

RPI 780

110

06/04/1985

RPI 763

Recurso

#12.1

03/27/1984

RPI 701

Deferimento

#9.1

12/13/1983

RPI 686

Exigência - art. 36 da LPI

#6.1

05/31/1983

RPI 658

Pedido de certificado de adição de invenção

#5.1

06/08/1982

RPI 607

Solicitação de exame técnico

#4.1

01/19/1982

RPI 587

Carta-patente expirada

#21.1

06/21/1994

RPI 1229

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