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Official data from INPI

MATERIAL DE ATRITO PARA REVESTIMENTOS DE EMBREAGEM E DE FREIO

ConcedidaInvention Patent

Application data

Number

PI8000064

Type

Invention Patent

Filing

01/07/1980

Publication

-

Progress at the INPI

  1. Filing01/07/80
  2. Publication
  3. Examination
  4. Allowance11/16/88
  5. Grant08/29/89
  6. Expired05/16/95

The letters patent expired on 05/16/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Fras-Le S.A.

RS, BR

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Inventors

G. C. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

03/07/1989

RPI 959

Deferimento

#9.1

11/16/1988

RPI 943

Exigência - art. 36 da LPI

#6.1

05/10/1988

RPI 916

4.2.1

10/26/1982

RPI 627

Solicitação de exame não realizada

#4.2

07/20/1982

RPI 613

Carta-patente expirada

#21.1

05/16/1995

RPI 1276

20.4

10/20/1992

RPI 1142

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