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Official data from INPI

VALVULA DE CONTROLE PARA UM SERVOMOTOR DE FREIOS

ConcedidaInvention Patent

Application data

Number

PI8205760

Type

Invention Patent

Filing

10/02/1981

Publication

09/06/1983

Progress at the INPI

  1. Filing10/02/81
  2. Publication09/06/83
  3. Examination10/15/85
  4. Allowance08/04/87
  5. Grant03/29/88
  6. 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.

Talk to a specialist

Latest action published by the INPI: 03/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BENDIX CORP [US]

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Inventors

K. O. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/29/1988

RPI 910

Notificação para pagamento de retribuição

#13.1

11/24/1987

RPI 892

Deferimento

#9.1

08/04/1987

RPI 876

Exigência - art. 36 da LPI

#6.1

08/26/1986

RPI 827

Solicitação de exame técnico

#4.1

10/15/1985

RPI 782

Publicação do pedido de patente

#3.1

09/06/1983

RPI 672

Pedido de patente depositado

#2.1

11/23/1982

RPI 631

Carta-patente expirada

#21.1

Patente extinta em 01/10/97

08/19/2008

RPI 1963

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