Official data from INPI

FREIO A DISCO DE PINCA DESLIZANTE

ConcedidaInvention Patent

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Application data

Number

PI8400292

Type

Invention Patent

Filing

01/20/1983

Publication

08/28/1984

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Progress at the INPI

Filing01/20/83
Publication08/28/84
Examination08/12/86
Allowance06/28/88
Grant03/28/89
Expired08/19/08

The letters patent expired on 08/19/2008: 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: 03/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DBA SA [FR]

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Inventors

M. C. (pessoa física)

Technical data

IPC Classification

F16D 55/224

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/28/1989

RPI 962

Notificação para pagamento de retribuição

#13.1

10/25/1988

RPI 940

Deferimento

#9.1

06/28/1988

RPI 923

Exigência - art. 36 da LPI

#6.1

07/28/1987

RPI 875

Pedido de certificado de adição de invenção

#5.1

12/09/1986

RPI 842

Solicitação de exame técnico

#4.1

08/12/1986

RPI 825

Publicação do pedido de patente

#3.1

08/28/1984

RPI 723

Pedido de patente depositado

#2.1

04/10/1984

RPI 703

Carta-patente expirada

#21.1

Patente extinta em 29/01/99

08/19/2008

RPI 1963

20.4

08/07/1990

RPI 1027

20.7