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Official data from INPI

MATERIAL DE FRICÇÃO PARA FREIO

Em ExigênciaInvention Patent
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Application data

Number

PI8402844

Type

Invention Patent

Filing

06/12/1984

Publication

05/21/1985
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Progress at the INPI

  1. Filing06/12/84
  2. Publication05/21/85
  3. Examination06/02/87
  4. Allowance07/31/90
  5. Grant02/26/91
  6. Terminated09/05/95

The patent was granted on 02/26/1991 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: 05/16/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Akebono Brake Industry Company, LTD

JP

Inventors

H. E. (pessoa física)

JP

Y. U. (pessoa física)

JP

Technical data

IPC Classification

C09K 3/14F16D 65/02

Priority claims

JP

58-137345 · 07/27/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

05/16/1989

RPI 969

Pedido de certificado de adição de invenção

#5.1

11/10/1987

RPI 890

Solicitação de exame técnico

#4.1

06/02/1987

RPI 867

Publicação do pedido de patente

#3.1

05/21/1985

RPI 761

Pedido de patente depositado

#2.1

08/14/1984

RPI 721

Anuidade - prazo legal encerrado

#18.2

09/05/1995

RPI 1292

Concessão da patente

#16.1

02/26/1991

RPI 1056

Notificação para pagamento de retribuição

#13.1

11/13/1990

RPI 1041

Deferimento

#9.1

07/31/1990

RPI 1026

Exigência - art. 36 da LPI

#6.1

03/06/1990

RPI 1008

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DISPOSITIVO DE FREIO A TAMBOR

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