Official data from INPI

SERVOATUADOR A DEPRESSÃO AUXILIAR DA FRENAGEM

ConcedidaInvention Patent

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Application data

Number

PI8501334

Type

Invention Patent

Filing

03/21/1985

Publication

11/19/1985

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Progress at the INPI

Filing03/21/85
Publication11/19/85
Examination12/08/87
Allowance01/24/89
Grant09/26/89
Expired07/15/08

The letters patent expired on 07/15/2008: 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Société Anonyme D.B.A., empresa francesa

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Inventors

A. T. (pessoa física)

J. C. (pessoa física)

Technical data

IPC Classification

B60T 13/56

Priority claims

84-04388 · 03/21/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

05/30/1989

RPI 971

Deferimento

#9.1

01/24/1989

RPI 953

Exigência - art. 36 da LPI

#6.1

09/13/1988

RPI 934

Solicitação de exame técnico

#4.1

12/08/1987

RPI 894

Publicação do pedido de patente

#3.1

11/19/1985

RPI 787

Pedido de patente depositado

#2.1

06/11/1985

RPI 764

Carta-patente expirada

#21.1

Patente extinta em 21/03/2000

07/15/2008

RPI 1958

20.4

11/27/1990

RPI 1043

20.7